Battle of Java (1942)
Encyclopedia
This article concerns the land battle of Java in 1942. For the preceding naval battle see Battle of the Java Sea
Battle of the Java Sea
The Battle of the Java Sea was a decisive naval battle of the Pacific campaign of World War II, that sealed the fate of the Netherlands East Indies....

.

The Battle of Java (Invasion of Java, Operation J) was a battle of the Pacific theatre
Pacific War
The Pacific War, also sometimes called the Asia-Pacific War refers broadly to the parts of World War II that took place in the Pacific Ocean, its islands, and in East Asia, then called the Far East...

 of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. It occurred on the island of Java from 28 February-12 March 1942. It involved forces from the Empire of Japan
Empire of Japan
The Empire of Japan is the name of the state of Japan that existed from the Meiji Restoration on 3 January 1868 to the enactment of the post-World War II Constitution of...

, which invaded on 28 February 1942, and Allied
Allies of World War II
The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

 personnel. Allied commanders signed a formal surrender at Japanese headquarters at Bandung
Bandung
Bandung is the capital of West Java province in Indonesia, and the country's third largest city, and 2nd largest metropolitan area in Indonesia, with a population of 7.4 million in 2007. Located 768 metres above sea level, approximately 140 km southeast of Jakarta, Bandung has cooler...

 on 12 March.

ABDA Order of battle

Koninklijk Nederlands Indisch Leger (KNIL Army): Lieutenant-General Hein Ter Poorten
  • 1st KNIL Infantry Division: Major-General Wijbrandus Schilling
  • 2nd KNIL Infantry Division: Major-General Pierre A. Cox
  • 3rd KNIL Infantry Division: Major-General Gustav A. Ilgen
  • British troops (ca. 5,500 men): Major-General Sir Hervey D.W. Sitwell
  • US troops (ca. 750 men:) Major-General J.F. Barnes
  • Australian troops (ca. 3000 men): Brigadier Arthur S. Blackburn.

Forces

The Japanese forces were split into two groups: the Eastern Force, with its headquarters at Jolo
Jolo
Jolo may refer to:* Jolo Island* Jolo, Sulu* Jolo, West Virginia* Jolo is also the nickname of Swedish author Jan Olof Olsson....

 Island in the Sulu Archipelago
Sulu Archipelago
The Sulu Archipelago is a chain of islands in the southwestern Philippines. This archipelago is considered to be part of the Moroland by the local rebel independence movement. This island group forms the northern limit of the Celebes Sea....

, included the 48th Division and the 56th Regimental Group. The Western Force, based at Cam Ranh Bay
Cam Ranh Bay
Cam Ranh Bay is a deep-water bay in Vietnam in the province of Khánh Hòa. It is located at an inlet of the South China Sea situated on the southeastern coast of Vietnam, between Phan Rang and Nha Trang, approximately 290 kilometers / 180 miles northeast of Hồ Chí Minh City / Saigon.Cam Ranh is...

, French Indochina
French Indochina
French Indochina was part of the French colonial empire in southeast Asia. A federation of the three Vietnamese regions, Tonkin , Annam , and Cochinchina , as well as Cambodia, was formed in 1887....

 included the 2nd Division and the 230th Regiment (detached from the 38th Division).

The Allied forces were commanded by the Royal Netherlands East Indies Army
Royal Netherlands East Indies Army
The Royal Netherlands East Indies Army was the military force maintained by the Netherlands in its colony of the Netherlands East Indies . The KNIL's air arm was the Royal Netherlands East Indies Army Air Force...

 (KNIL) commander, General Hein ter Poorten
Hein ter Poorten
Hein ter Poorten , was the commander of the Koninklijk Nederlands Indisch Leger in World War II...

. Although the KNIL forces had, on paper, 25,000 (mostly Indonesian) well-armed troops, many were poorly trained. The KNIL forces were deployed in four sub-commands: Batavia
Jakarta
Jakarta is the capital and largest city of Indonesia. Officially known as the Special Capital Territory of Jakarta, it is located on the northwest coast of Java, has an area of , and a population of 9,580,000. Jakarta is the country's economic, cultural and political centre...

 (Jakarta) area (two regiments); north central Java (one regiment); south Java (one regiment) and; east Java, one regiment.
The British, Australian and United States units were commanded by British Major General
Major General
Major general or major-general is a military rank used in many countries. It is derived from the older rank of sergeant major general. A major general is a high-ranking officer, normally subordinate to the rank of lieutenant general and senior to the ranks of brigadier and brigadier general...

 H. D. W. Sitwell. The British forces were predominantly anti-aircraft units: the 77th Heavy AA Regiment, 21st Light AA Regiment and 48th Light AA Regiment. The only British armoured unit on Java was a squadron of Light Tanks
Light Tank Mk VI
The Tank, Light, Mk VI was a British light tank, produced by Vickers-Armstrongs in the late 1930s, which saw service during World War II.- Development history :...

 from the British 3rd Hussars
The Queen's Royal Hussars
The Queen's Royal Hussars is the senior United Kingdom light cavalry regiment. It was formed on 1 September 1993 from the amalgamation of The Queen's Own Hussars and The Queen's Royal Irish Hussars...

. Two British AA regiments without guns, the 6th Heavy AA Regt and the 35th Light AA Regiment were equipped as infantry to defend airfields. The British also had transport and administrative units.

The Australian formation — named "Blackforce" after its commander, Brigadier Arthur Blackburn
Arthur Seaforth Blackburn
Brigadier Arthur Seaforth Blackburn VC, CMG, CBE, ED was an Australian recipient of the Victoria Cross, the highest award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces....

 V.C.
Victoria Cross
The Victoria Cross is the highest military decoration awarded for valour "in the face of the enemy" to members of the armed forces of various Commonwealth countries, and previous British Empire territories....

 — included the Australian 2/3rd Machine Gun Battalion, the Australian 2/2nd Pioneer Battalion, a company from the Royal Australian Engineers, a platoon from the 2/1st Headquarters Guard Battalion, about 100 reinforcements diverted on route to Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

, a handful of soldiers who had escaped from Singapore following its fall to the Japanese
Battle of Singapore
The Battle of Singapore was fought in the South-East Asian theatre of the Second World War when the Empire of Japan invaded the Allied stronghold of Singapore. Singapore was the major British military base in Southeast Asia and nicknamed the "Gibraltar of the East"...

, two transport companies, a casualty clearing station, and a company headquarters unit. Blackburn decided to re-organise his troops as an infantry brigade. They were well-equipped in terms of Bren guns, light armoured cars, and trucks, but they had few rifles, submachineguns, anti-tank rifle
Anti-tank rifle
An anti-tank rifle is a rifle designed to penetrate the armour of vehicles, particularly tanks. The usefulness of rifles for this purpose ran from the introduction of tanks in World War I and until the Korean War...

s, mortars, grenades, radio equipment or Bren gun carrier
Universal Carrier
The Universal Carrier, also known as the Bren Gun Carrier is a common name describing a family of light armoured tracked vehicles built by Vickers-Armstrong. Produced between 1934 and 1960, the vehicle was used widely by British Commonwealth forces during the Second World War...

s. Blackburn managed to assemble an HQ staff and three infantry battalions based on the 2/3rd Machine Gun, the 2/2nd Pioneers, and a mixed "Reserve Group". The only U.S. ground forces in Java, the 2nd Battalion of the 131st Field Artillery (a Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

 National Guard
United States National Guard
The National Guard of the United States is a reserve military force composed of state National Guard militia members or units under federally recognized active or inactive armed force service for the United States. Militia members are citizen soldiers, meaning they work part time for the National...

 unit) was also attached to Black Force.

Japanese landings

The Japanese troops landed at three points on Java shore on the same day, 1 March. The West Java invasion convoy landed on Bantam Bay near Merak and Eretan Wetan. The West Java convoy had previously fought in the Battle of Sunda Strait
Battle of Sunda Strait
The Battle of Sunda Strait was a naval battle which occurred during World War II. On the night of 28 February – 1 March 1942, the Australian light cruiser and the American heavy cruiser faced a major Imperial Japanese Navy task force. After a fierce battle of several hours duration, both Allied...

, a few hours prior to the landings.

Meanwhile, the East Java invasion convoy landed on Kragan after having successfully defeated the ABDA fleet in the Battle of the Java Sea
Battle of the Java Sea
The Battle of the Java Sea was a decisive naval battle of the Pacific campaign of World War II, that sealed the fate of the Netherlands East Indies....

.

West Java Campaign from Merak and Bantam Bay

After discussing the war preparation on 21 January with the commander of the 3rd Fleet and inspected the 48th Division at Manila
Manila
Manila is the capital of the Philippines. It is one of the sixteen cities forming Metro Manila.Manila is located on the eastern shores of Manila Bay and is bordered by Navotas and Caloocan to the north, Quezon City to the northeast, San Juan and Mandaluyong to the east, Makati on the southeast,...

, Lieutenant General Hitoshi Imamura
Hitoshi Imamura
-External links:...

 received an order to attack Java on 30 January.

The convoy consisted of 56 transport ships with troops aboard from 16th Army Headquarters, 2nd Division and 230th Infantry Regiment. The convoy left Cam Ranh Bay
Cam Ranh Bay
Cam Ranh Bay is a deep-water bay in Vietnam in the province of Khánh Hòa. It is located at an inlet of the South China Sea situated on the southeastern coast of Vietnam, between Phan Rang and Nha Trang, approximately 290 kilometers / 180 miles northeast of Hồ Chí Minh City / Saigon.Cam Ranh is...

 at 10:00 on 18 February, and the commander-in-chief Lieutenant General Hitoshi Imamura
Hitoshi Imamura
-External links:...

 was aboard on the transport ship Ryujo Maru. The convoy escort was under the command of Rear Admiral Kenzaburo Hara.

At 23:20 on 28 February, the transport ships carrying the Nasu and Fukushima detachments commenced landing operations at Merak. Ten minutes later they were joined by the other transport ships; the one carrying the Sato detachment dropped anchor at Bantam Bay. By 02:00 on 1 March, all ships had reached their designated positions. The KNIL Merak Coastal Detachment, made up of a section from the Captain F.A.M. Harterink's 12th KNIL Infantry Battalion, machine-gunned the invaders but was quickly defeated.

On 1 March, the invaders set up new headquarters at Serang. The troops of the 2nd Division led by Lieutenant-General Masao Maruyama were divided into the following detachments:
  • Nasu Detachment: Major-General Yumio Nasu
  • Fukushima Detachment: Colonel Kyusaku Fukushima
  • Sato Detachment: Colonel Hanshichi Sato


The Nasu detachment was ordered to capture Buitenzorg
Bogor
Bogor is a city on the island of Java in the West Java province of Indonesia. The city is located in the center of the Bogor Regency , 60 kilometers south of the Indonesian capital Jakarta...

 to cut the escape route from Batavia
Jakarta
Jakarta is the capital and largest city of Indonesia. Officially known as the Special Capital Territory of Jakarta, it is located on the northwest coast of Java, has an area of , and a population of 9,580,000. Jakarta is the country's economic, cultural and political centre...

 to Bandoeng
Bandung
Bandung is the capital of West Java province in Indonesia, and the country's third largest city, and 2nd largest metropolitan area in Indonesia, with a population of 7.4 million in 2007. Located 768 metres above sea level, approximately 140 km southeast of Jakarta, Bandung has cooler...

. The Fukushima and Sato Detachments would in the meanwhile head for Batavia through Balaradja and Tangerang
Tangerang
Tangerang is a city in the Province of Banten, Indonesia. It is located about 25 km west of Jakarta. It is the third largest urban center in the Jabotabek region after Jakarta and Bekasi. It has an area of 164.54 km² and an official intercensal estimated population of 1,537,244 for 2005...

.

On 2 March, the Nasu detachment arrived at Rangkasbitung and continued to Leuwiliang
Leuwiliang
Leuwiliang is a town in the province of West Java on Java in Indonesia. The population is 192,000....

, 15 mi (24.1 km) west of Buitenzorg. The Australian 2/2nd Pioneer and 2/3rd Machine Gun Battalions were positioned along a riverbank at Leuwiliang and put up a vigorous defence. Highly accurate volleys from "D" Battery, U.S. 2/131st Field Artillery, destroyed many Japanese tanks and trucks. Blackforce managed to hold up the Japanese advance for two full days before being forced to withdraw to Soekabumi
Sukabumi
Sukabumi is a city surrounded by the regency of the same name in the highlands of West Java, Indonesia, about south of the national capital, Jakarta....

, lest it become trapped by Japanese flanking manoeuvres, and was ordered to retreat to Soekabumi. Around the same time, the Fukushima and Sato units headed westwards to Madja (Maja) and Balaradja (Balaraja). They found many of the bridges already destroyed by the retreating Dutch and were forced to find other routes; some units took the opportunity to make for Buitenzorg.

On 4 March, Ter Poorten decided to withdraw his forces from Batavia and Buitenzorg to reinforce the defence of Bandoeng. The following evening Dutch troops in Batavia surrendered to the Sato Detachment. By dawn of 6 March, the Japanese troops had attacked Buitenzorg, which was guarded by the 10th Company, KNIL 2nd Infantry Regiment; 10th Company, 1st Infantry Regiment; Landstorm troops and a howitzer unit. In the morning Buitenzorg was occupied, while a large number of Allied soldiers had retreated to Bandoeng. The Nasu Detachment pursued them through Tjiandjoer
Cianjur
Cianjur is a city in the West Java province of Indonesia, the capital of Cianjur Regency. Cianjur is located in the middle of the main road between Jakarta and Bandung . The population is about 146,874...

 and (Tjimahi
Cimahi
Cimahi is a city located west of Bandung, West Java, Indonesia in the Bandung Metropolitan Area. The city is a major textile producer exporter, and is host to several military education facilities....

), entering the city on 9 March. The Shoji Detachment also entered Bandoeng on the same day, arriving from the north, having travelled via Lembang.

West Java Campaign from Eretan Wetan

On 27 February, the unit 230th Infantry Regiment, led by Colonel Toshishige Shoji, separated from the main convoy and landed on 1 March, at Eretan Wetan, near Soebang
Subang, Indonesia
Subang is the capital of the Subang Regency, West Java, Indonesia....

 on the northern coast of West Java. The unit's objectives were to capture the important Kalidjati airfield and weaken the Allied air arm, while the 2nd Division attacked Batavia
Jakarta
Jakarta is the capital and largest city of Indonesia. Officially known as the Special Capital Territory of Jakarta, it is located on the northwest coast of Java, has an area of , and a population of 9,580,000. Jakarta is the country's economic, cultural and political centre...

.

At dawn on 1 March, nine Brewster and three Glenn Martins from the KNIL Air Force, together with 12 Hurricanes from the 242nd and 605th RAF Squardrons, carried out attacks on Japanese troops at Eretan Wetan. Using motor vehicles, the Japanese rapidly advanced to Soebang. At noon, the Kalidjati airfield was finally occupied following a tenacious defence carried out by 350 British troops. Meanwhile, other Japanese units led by Major Masaru Egashira bypassed Allied defences and headed for Pamanoekan (Pamanukan), and from then on to (Tjikampek
Cikampek
Cikampek is a subdistrict of Karawang Regency, West Java, Indonesia. It is divided into 10 administrative villages . Distance from subdistrict centre Cikampek to karawang is 21 miles.- Transportation :...

), where they were able to cut the road link between Batavia and Kalidjati.

The fall of Kalidjati airfield greatly alarmed the Dutch, who set about planning hasty and ill-prepared counterattacks. On 2 March, a KNIL armoured unit (the Mobiele Eenheid), commanded by Captain G.J. Wulfhorst with approximately 20 tanks, and supported by the 250 men of Major C.G.J. Teerink's 5th KNIL Infantry Battalion, launched a counterattack against the Shoji unit outside Soebang. The attempt initially went well, but in the afternoon the attack was repulsed. Afterwards, the main force of Japanese 3rd Air Brigade arrived at Kalidjati airfield.

By the night of 7 March, Japanese troop had arrived at the plateau of Lembang, which is only 5 mi (8 km) north from Bandoeng. At 10:00 on 8 March, Major-General Jacob J. Pesman, the commander of Stafgroep Bandoeng, met Colonel Toshishige Shoji at the Isola Hotel in Lembang and surrendered.

Japenese Order of battle

2nd Division: Lt. Gen. Masao Maruyama
  • Nasu Detachment: Maj. Gen. Yumio Nasu
    • 16th Infantry Regiment
    • 1st Battalion of 2nd Field Artillery Regiment
    • 1st Company of 2nd Engineer Regiment
    • Two motor transport companies
  • Fukushima Detachment: Col. Kyusaku Fukushima
    • 4th Infantry Regiment
    • 2nd Battalion of 2nd Field Artillery Regiment
    • 5th Anti-Tank Battalion
    • 2nd Company of 2nd Engineer Regiment
  • Sato Detachment: Col. Hanshichi Sato
    • 29th Infantry Regiment
    • 2nd Tank Regiment
    • 1st Company of 2nd Field Artillery Regiment
    • 2nd Engineer Regiment
  • Shoji Detachment: Col. Toshishige Shoji
    • 230th Infantry Regiment
    • One mountain artillery battalion
    • One engineer company
    • One anti-tank battalion
    • One light tank company
    • One anti-aircraft battery
    • Two independent engineer companies
    • One platoon of the Bridge Material Company
    • One motor Transport Company
    • Part of the 40th Anchorage Headquarters
    • Part of the Airfield Battalion

Moving eastward

The East Java campaign was composed of the 48th Division from the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. On 8 February, the 48th Division departed from Lingayen Gulf
Lingayen Gulf
The Lingayen Gulf is an extension of the South China Sea on Luzon in the Philippines stretching . It is framed by the provinces of Pangasinan and La Union and sits between the Zambales Mountains and the Cordillera Central...

, Luzon
Luzon
Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

 Island (Philippines) protected by the 4th Destroyer Squadron. On 22 February, the convoy arrived at Balikpapan
Balikpapan
Balikpapan is a seaport city on the eastern coast of the island of Borneo, Indonesia, in the East Kalimantan province, a resource-rich region well known for its timber, mining, and petroleum export products. Two harbors, Semayang and Kariangau , and the Sepinggan International Airport are the main...

 and the Sakaguchi Detachment joined the 48th Division aboard the ships.

On 25 February, the convoy left Balikpapan, and sailed southward to Java. On 27 February, the ABDA fleet under command of Rear-Admiral Karel Doorman
Karel Doorman
Karel Willem Frederik Marie Doorman was a Dutch Rear Admiral who commanded ABDACOM Naval forces, a hastily-organized multinational naval force formed to defend the East Indies against an overwhelming Imperial Japanese attack. Doorman was killed and the main body of ABDACOM Naval forces destroyed...

 was detected and attacked by the 5th Destroyer Squadron and other units of the 3rd Fleet in Battle of the Java Sea
Battle of the Java Sea
The Battle of the Java Sea was a decisive naval battle of the Pacific campaign of World War II, that sealed the fate of the Netherlands East Indies....

. The Japanese won the battle and at 00:15 on 1 March, and the fleet landed on Kragan, a small village in East Java, approximately 100 mi (160.9 km) west of Surabaya
Surabaya
Surabaya is Indonesia's second-largest city with a population of over 2.7 million , and the capital of the province of East Java...

.

The 3rd (Motorised) Cavalry Squadron of the 1st Dutch KNIL Cavalry Regiment, under the command of Ritmeester C.W. de Iongh, resisted the landing force but was quickly subdued.

Meanwhile, the flying boat Dornier X-28 of the 6th GVT (Groep Vliegtuigen or Aircraft Group) from MLD, B-17 bombers of the U.S. 7th Bomber Group, A-24 dive bombers of the U.S. 27th Bomb Group and Vildebeest torpedo-bombers from the 36th RAF Squadron worked round the clock to harass the invaders.

After landing, the 48th Division was divided into:
  • Imai Unit (Right Wing): Colonel Hifumi Imai
  • Abe Unit (Left Wing): Major-General Koichi Abe
  • Tanaka Unit (Tjepoe Raiding Unit): Colonel Tohru Tanaka
  • Kitamura Unit (Bodjonegoro Raiding Unit): Lieutenant Colonel Kuro Kitamura


The Tanaka Unit was ordered to occupy Tjepoe (Cepu) to secure the oilfields there and the Kitamura Unit was to occupy Bodjonegoro
Bojonegoro
Bojonegoro is a regency in East Java, Indonesia, about 110 km west of Surabaya. Bojonegoro is located in the inland part of northern Java plain, on the banks of the Bengawan Solo river, the largest river in Java....

, near Tjepoe. The whole unit planned two pronge attack Surabaya from the west through Lamongan
Lamongan
Lamongan is a regency of East Java, Indonesia, with an area of .Lamongan Regency is surrounded by:*Northern side : Java Sea*Southern side : Regency of Mojokerto and Jombang*Eastern side : Gresik Regency...

 and from south through Djombang
Jombang Regency
Jombang is a regency of East Java, Indonesia. Its capital is Jombang. The regency has an area of 1,159.5 km² and population of 1,163,420...

 and Modjokerto
Mojokerto
Mojokerto is one of the districts in East Java Province, Indonesia. It is located 40 km southwest of Surabaya, and constitutes one of the regional units of Gerbangkertosusila Development .-Geographic...

.

The Tanaka Unit occupied Tjepoe on 2 March, while the Kitamura Unit occupied Bodjonegoro on 3 March. The Japanese proceeded further and overwhelmed the Dutch defences at the Ngawi Regency, Tjaroeban (Caruban), Ngandjoek
Nganjuk
Nganjuk is a regency of East Java, Indonesia....

, Kertosono, Kediri
Kediri, East Java
Kediri is an Indonesian city, located near the Brantas River in the province of East Java on the island of Java.Archaeological artefacts discovered in 2007 appeared to indicate that the region around Kediri may have been the location of the Kediri kingdom, a Hindu kingdom in the 11th century.The...

 and Djombang.

At Porong, near Surabaya, the Dutch infantry from 8th, 13th Battalion, 3rd Cavalry unit and the American 131st (Texas) "E" Field Artillery Regiment gave fierce resistance to the incoming Japanese. Eventually the Allied troops under Major-General Gustav A. Ilgen had to retreat to the island of Madura
Madura
Madura is an Indonesian island off the northeastern coast of Java. The island comprises an area of approximately 4,250 km². Madura is administered as part of the East Java province. It is separated from Java by the narrow Strait of Madura.-History:...

 upon the completion of demolition of the city's infrastructure. On the evening of 9 March, Major-General Ilgen, commander of the KNIL in East Java, signed the instrument of surrender.

Moving southward

The Sakaguchi Detachment from Balikpapan
Balikpapan
Balikpapan is a seaport city on the eastern coast of the island of Borneo, Indonesia, in the East Kalimantan province, a resource-rich region well known for its timber, mining, and petroleum export products. Two harbors, Semayang and Kariangau , and the Sepinggan International Airport are the main...

 joined the East Java Invasion fleet as well. After landing, they were divided into three units with one battalion each: Kaneuji Unit, Major Kaneuji commanding; Yamamoto Unit: Colonel Yamamoto commanding; and Matsumoto Unit, Lieutenant Colonel Matsumoto commanding; these units moved south with the objective to occupy Tjilatjap
Cilacap
Cilacap is a regency in the southwestern part of Central Java province in Indonesia. Its capital is Cilacap, which is an municipality in its own right....

 in order to capture the harbour and block the retreat to Australia. In one week, they advanced rapidly and overcame all Dutch army defence found in Blora, Soerakarta
Surakarta
Surakarta, also called Solo or Sala, is a city in Central Java, Indonesia of more than 520,061 people with a population density of 11,811.5 people/km2. The 44 km2 city adjoins Karanganyar Regency and Boyolali Regency to the north, Karanganyar Regency and Sukoharjo Regency to the east and...

, Bojolali
Boyolali
Boyolali is a regency in the eastern part of Central Java province in Indonesia. Its capital is Boyolali.-Geography:The capital also named as Boyolali and lies 27 km to the west from Solo....

, Jogjakarta, Magelang
Magelang
Magelang is one of the largest cities of the 1,130 km² Magelang Regency, Central Java, Indonesia. It is also the largest town in the Kedu Plain between Mount Merbabu and Mount Sumbing in Central Java, Indonesia...

, Salatiga
Salatiga
Salatiga is a city in Central Java, Indonesia, located between the cities of Semarang and Surakarta. It sits at the foot of Mount Merbabu and Mount Telomoyo, and has a relatively cool climate due to its elevated position.-Origin of name:...

, Ambarawa
Ambarawa
Ambarawa is a market town located between Semarang and Salatiga in Central Java, Indonesia.Ambarawa was an important connecting rail link providing a cog railway connecting through Central Java as far as Yogyakarta via Magelang. The Semarang-Ambarawa-Magelang line was fully operational until 1977...

 and Poerworedjo. The Kaneuji and Matsumoto Detachments moved through mainland, captured Keboemen and Purwokerto
Purwokerto
Purwokerto is a city on the island of Java in Indonesia. It is the capital of Banyumas Regency, Central Java region. The estimated population of the city in 2005 was 249,705.-Geography:...

, north of Tjilatjap on 8 March. The Yamamoto Unit fanned out along the beach and mounted a two-pronged attack, entering Tjilatjap on 8 March. By then, however, the Dutch had withdrawn to Wangon, a small town located between Purwokerto and Tjilatjap. On the following day, Major-General Pierre A. Cox — the Dutch Central Army District commander — surrendered his troops to the Japanese.

Japenese Order of battle

48th Division: Major-General Yuitsu Tsuchihashi
  • Imai Unit (Right Wing): Colonel Hifumi Imai, commander of the 1st Formosan Infantry Regiment
    • 1st Formosan Infantry Regiment
    • One mountain artillery battalion
    • One engineer company
  • Abe Unit (Left Wing): Major-General Koichi Abe
    • 48th Infantry Group Headquarters
    • 47th Infantry Regiment
    • One mountain artillery battalion
    • One engineer company
  • Tanaka Unit (Tjepoe Raiding Unit): Colonel Tohru Tanaka
    • 2nd Formosan Infantry Regiment
    • One mountain artillery battalion
    • One engineer company
  • Kitamura Unit (Bodjonegoro Raiding Unit): Lieutenant Colonel Kuro Kitamura
    • 48th Reconnaissance Regiment


Sakaguchi Detachment: Major-General Shizuo Sakaguchi
  • Yamamoto Unit: Colonel Yamamoto
    • 1st Battalion of the 124th Infantry Regiment
  • Kaneuji Unit: Major Kaneuji
    • 2nd Battalion of the 124th Infantry Regiment
  • Matsumoto Unit: Lieutenant Colonel Matsumoto
    • 3rd Battalion of the 124th Infantry Regiment

Allied surrender

By 7 March, defeat was inevitable, with Tjilatjap already in Japanese hands. Soerabaja was being evacuated while Japanese troops were rapidly converging on Bandoeng
Bandung
Bandung is the capital of West Java province in Indonesia, and the country's third largest city, and 2nd largest metropolitan area in Indonesia, with a population of 7.4 million in 2007. Located 768 metres above sea level, approximately 140 km southeast of Jakarta, Bandung has cooler...

 from both the north and the west. At 09:00 on 8 March, the Commander-in-Chief of the Allied forces — Ter Poorten — announced the surrender of the Royal Netherlands East Indies Army
Royal Netherlands East Indies Army
The Royal Netherlands East Indies Army was the military force maintained by the Netherlands in its colony of the Netherlands East Indies . The KNIL's air arm was the Royal Netherlands East Indies Army Air Force...

 in Java
Java
Java is an island of Indonesia. With a population of 135 million , it is the world's most populous island, and one of the most densely populated regions in the world. It is home to 60% of Indonesia's population. The Indonesian capital city, Jakarta, is in west Java...

.

At 23:00, the Dutch radio station NIROM (Nederlandsch Indische Radio Omroep Maatschappij) broadcasted the last news from a temporary transmitter at Ciumbuluit. The announcer Bert Garthoff ended the broadcast with the words "Wij sluiten nu. Vaarwel tot betere tijden. Leve de Koningin!" (We are closing now. Farewell till better times. Long live the Queen!)

The Dutch Governor
Governor-General of the Dutch East Indies
The Governor-General of the Dutch East Indies represented the Dutch rule in the Dutch East Indies between 1610 and Dutch recognition of the independence of Indonesia in 1949.The first Governors-General were appointed by the Dutch East India Company...

, Jonkheer Dr. A.W.L. Tjarda Van Starkenborgh Stachouwer
Alidius Warmoldus Lambertus Tjarda van Starkenborgh Stachouwer
Jonkheer Alidius Warmoldus Lambertus Tjarda van Starkenborgh Stachouwer was a Dutch nobleman and statesman, primarily noted for being the last colonial Governor-General of the Netherlands East Indies, now Indonesia...

 and Lieutenant-General Ter Poorten, together with Major-General Jacob J. Pesman, the commander of the Bandoeng District, met the Japanese Commander-in-Chief, Lieutenant-General Hitoshi Imamura
Hitoshi Imamura
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 at Kalidjati that afternoon and agreed to the capitulation of all the troops.

Aftermath

On 3 March, the U.S. Navy Gunboat was sunk south of Java.

On 10 March, Lieutenant-General Hitoshi Imamura became the new governor of Java and Madura
Madura
Madura is an Indonesian island off the northeastern coast of Java. The island comprises an area of approximately 4,250 km². Madura is administered as part of the East Java province. It is separated from Java by the narrow Strait of Madura.-History:...

, thus becoming the highest authority in the occupied Dutch East Indies. He stayed on this position for approximately eight months, until 11 November 1942. Imamura was subordinated to Field Marshal Count Hisaichi Terauchi, the Supreme Commander of the Southern Army
Southern Expeditionary Army Group
The was a army group of the Imperial Japanese Army during World War II. It was responsible for all military operations in South East Asian and South West Pacific campaigns of World War II....

, headquartered in Saigon, French Indochina. He was also the governor of the so-called "Southern Territories" (Malaya, Burma, the Philippines, Hong Kong, Java, Sumatra, and Borneo) and directly subordinated to the Imperial Headquarters in Tokyo, Japan.

On 12 March, the senior British, Australian and American commanders were summoned to Bandoeng where the formal instrument of surrender was signed in the presence of the Japanese commander in the Bandoeng area, Lieutenant-General Masao Maruyama, who promised them the rights of the Geneva Convention for the protection of prisoners of war.

Immediately after this, the widely-spread Japanese troops were reorganised. The 16th Army (2nd Division and 48th Division) was ordered to guard of Java, while the eastern territory (Lesser Sunda islands, Celebes, Ambon and Netherlands New Guinea) became the responsibility of the Imperial Navy. The other units were deployed to other combat areas in Pacific or returned to Japan.

The surrender of the Dutch marked the end of the ABDA defence in the Dutch East Indies and the collapse of the "Malay Barrier" (or "East Indies Barrier"). Because the Allied naval force had been destroyed, the Indian Ocean and the approach to Australia lay open to the Imperial Japanese Navy.
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