Ussuri Cossack Host was a Cossack Host

Cossack host

A Cossack host or Cossack viysko was an administrative subdivision of Cossacks in Imperial Russia...

 in Imperial Russia, located in Primorye

Primorsky Krai

Primorsky Krai , informally known as Primorye , is a federal subject of Russia . Primorsky means "maritime" in Russian, hence the region is sometimes referred to as Maritime Province or Maritime Territory. Its administrative center is in the city of Vladivostok...

 south of Khabarovsk

Khabarovsk

Khabarovsk is the largest city and the administrative center of Khabarovsk Krai, Russia. It is located some from the Chinese border. It is the second largest city in the Russian Far East, after Vladivostok. The city became the administrative center of the Far Eastern Federal District of Russia...

 along the Ussuri River

Ussuri River

The Usuri ula is a river in the south of the Outer Manchuria and east of Inner Manchuria . It rises in the Sikhote-Alin range, flowing north, forming part of the Sino-Russian border based on the Sino-Russian Convention of Peking in 1860, until it joins the Amur River at Khabarovsk . It is...

, the Sungari River, and around the Khanka Lake

Khanka Lake

Khanka Lake , is a transboundary freshwater body located on the border between Primorsky Krai, Russia and Heilongjiang province, Northeast China . At its closest point, it is situated east of the city of Jixi, Heilongjiang...

.

The Ussuri Cossack Host was created in 1889 on the basis of an unmounted half-battalion

Battalion

A battalion is a military unit of around 300–1,200 soldiers usually consisting of between two and seven companies and typically commanded by either a Lieutenant Colonel or a Colonel...

 of the Amur Cossack Host and later reinforced with settlers from the Don Cossack Host, Kuban Cossack Host, and other Cossack hosts. The Ussuri Cossack Host headquarters

Headquarters

Headquarters denotes the location where most, if not all, of the important functions of an organization are coordinated. In the United States, the corporate headquarters represents the entity at the center or the top of a corporation taking full responsibility managing all business activities...

 was first located in Vladivostok

Vladivostok

The city is located in the southern extremity of Muravyov-Amursky Peninsula, which is about 30 km long and approximately 12 km wide.The highest point is Mount Kholodilnik, the height of which is 257 m...

 and then in Iman (now Dalnerechensk

Dalnerechensk

Dalnerechensk is a town in Primorsky Krai, Russia. Population: It was originally known as Iman , but its Russian name was changed to Dalnerechensk in 1972, as part of a general campaign of asserting Soviet sovereignty in the region...

). Its nakazny ataman

Ataman

Ataman was a commander title of the Ukrainian People's Army, Cossack, and haidamak leaders, who were in essence the Cossacks...

 (who was also the military governor of the region) subordinated to the Governor General of the Amur

Amur Oblast

Amur Oblast is a federal subject of Russia , situated about east of Moscow on the banks of the Amur and Zeya Rivers. It shares its border with the Sakha Republic in the north, Khabarovsk Krai and the Jewish Autonomous Oblast in the east, People's Republic of China in the south, and Zabaykalsky...

 region, who, in turn, was the nakazny ataman of the Amur and the Ussuri Cossack Hosts.

The Ussuri Cossacks possessed 6740 km² of land. In 1916, they numbered 39,900 people in six stanitsa

Stanitsa

Stanitsa is a village inside a Cossack host . Stanitsas were the primary unit of Cossack hosts.Historically, the stanitsa was a unit of economic and political organisation of the Cossack peoples primarily in the southern regions of the Russian Empire.Much of the land was held in common by the...

s, which comprised 76 settlements

Town

A town is a human settlement larger than a village but smaller than a city. The size a settlement must be in order to be called a "town" varies considerably in different parts of the world, so that, for example, many American "small towns" seem to British people to be no more than villages, while...

. In the times of peace, the Ussuri Cossacks supplied one cavalry

Cavalry

Cavalry or horsemen were soldiers or warriors who fought mounted on horseback. Cavalry were historically the third oldest and the most mobile of the combat arms...

 battalion (300 men) and one platoon

Platoon

A platoon is a military unit typically composed of two to four sections or squads and containing 16 to 50 soldiers. Platoons are organized into a company, which typically consists of three, four or five platoons. A platoon is typically the smallest military unit led by a commissioned officer—the...

. The Ussuri Cossack Host was used for border patrol and postal and police service. It participated in the Russo-Japanese War

Russo-Japanese War

The Russo-Japanese War was "the first great war of the 20th century." It grew out of rival imperial ambitions of the Russian Empire and Japanese Empire over Manchuria and Korea...

. During the World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

, the Ussuri Cossacks supplied one cavalry regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 (600 men), one cavalry battalion, one platoon of guards, and six special sotnyas (total of 2,514 men). Most of the Ussuri Cossack Host took the side of the White movement

White movement

The White movement and its military arm the White Army - known as the White Guard or the Whites - was a loose confederation of Anti-Communist forces.The movement comprised one of the politico-military Russian forces who fought...

 during the Russian Civil War

Russian Civil War

The Russian Civil War was a multi-party war that occurred within the former Russian Empire after the Russian provisional government collapsed to the Soviets, under the domination of the Bolshevik party. Soviet forces first assumed power in Petrograd The Russian Civil War (1917–1923) was a...

.

The Ussuri Cossack Host was disbanded in 1922. It was re-established in 1990, although not as an administrative unit of any sort.