Mergers from April 1, 1999 to Present

• On October 1, 2004 - the village of Minabegawa
  Minabegawa, Wakayama
  was a village located in Hidaka District, Wakayama, Japan.On October 1, 2004 Minabegawa was merged into the expanded town of Minabe and no longer exists as an independent entity....
  
   and the town of Minabe
  Minabe, Wakayama
  is a small town located in Wakayama in the Kansai region of Japan. Situated on a small bay of the Pacific ocean and surrounded by mountains, it is a quiet and picturesque farming community of about 14,000 people. Its location has been mentioned in ancient texts since the 8th century, but the basic...
  
   (both from Hidaka District
  Hidaka District, Wakayama
  is a district located in Wakayama, Japan.　As of September 1, 2008, the district has an estimated Population of 56,219 and a Density of 85.8 persons/km²...
  
  ) merged to form the new town of Minabe
  Minabe, Wakayama
  is a small town located in Wakayama in the Kansai region of Japan. Situated on a small bay of the Pacific ocean and surrounded by mountains, it is a quiet and picturesque farming community of about 14,000 people. Its location has been mentioned in ancient texts since the 8th century, but the basic...
  
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• On April 1, 2005 - the town of Kushimoto
  Kushimoto, Wakayama
  -Demographics:The population of Kushimoto is 20,618, consisting of 9,561 men and 11,057 women. There are a total of 9,397 families.-Junior high schools:*Kushimoto Junior High School*Kushimoto-Nishi Junior High School*Nishi-Mukai Junior High School...
  
   from Nishimuro District
  Nishimuro District, Wakayama
  is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 42,840 and a Density of 98.9 persons/km²...
  
   merged with the town of Koza
  Koza, Wakayama
  was a coastal town located at the mouth of the Kozagawa river in Higashimuro District, Wakayama, Japan.On April 1, 2005 Koza was merged into the expanded town of Kushimoto, formerly from Nishimuro District, now within Higashimuro District....
  
   from Higashimuro District
  Higashimuro District, Wakayama
  Higashimuro is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 43,306 and a Density of 64.8 persons/km²...
  
   to form the town of Kushimoto
  Kushimoto, Wakayama
  -Demographics:The population of Kushimoto is 20,618, consisting of 9,561 men and 11,057 women. There are a total of 9,397 families.-Junior high schools:*Kushimoto Junior High School*Kushimoto-Nishi Junior High School*Nishi-Mukai Junior High School...
  
  (now part of Higashimuro District
  Higashimuro District, Wakayama
  Higashimuro is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 43,306 and a Density of 64.8 persons/km²...
  
  ).

• On April 1, 2005 - the city of Kainan
  Kainan, Wakayama
  is a city located in Wakayama, Japan.As of 2008, the city has an estimated population of 55,763. The total area is 101.18 km².The city was founded on May 1, 1934.On April 1, 2005 the town of Shimotsu, from Kaisō District, was merged into Kainan....
  
   and the town of Shimotsu
  Shimotsu, Wakayama
  was a town located in Kaisō District, Wakayama, Japan.On April 1, 2005 Shimotsu was merged into the city of Kainan.As of 2003, the town had an estimated population of 14,481 and a density of 363.57 persons per km². The total area was 39.83 km²....
  
   from Kaisō District
  Kaiso District, Wakayama
  is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 10,988 and a Density of 85.6 persons/km². The total area is 128.31 km².- Mergers :...
  
   merged to form the new city of Kainan
  Kainan, Wakayama
  is a city located in Wakayama, Japan.As of 2008, the city has an estimated population of 55,763. The total area is 101.18 km².The city was founded on May 1, 1934.On April 1, 2005 the town of Shimotsu, from Kaisō District, was merged into Kainan....
  
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• On May 1, 2005 - the towns of Kawabe
  Kawabe, Wakayama
  was a town located in Hidaka District, Wakayama, Japan.On May 1, 2005 Kawabe was merged with the villages of Miyama and Nakatsu, all from Hidaka District, to form the new town of Hidakagawa....
  
  , Nakatsu
  Nakatsu, Wakayama
  was a village located in Hidaka District, Wakayama, Japan.On May 1, 2005 Nakatsu was merged with the town of Kawabe, and the village of Miyama, all from Hidaka District, to form the new town of Hidakagawa....
  
   and Miyama
  Miyama, Wakayama
  was a village located in Hidaka District, Wakayama, Japan.On May 1, 2005, Miyama was merged with the town of Kawabe, and the village of Nakatsu, all from Hidaka District, to form the new town of Hidakagawa. Despite this merger, many local people still identify with the village name, continue their...
  
   from Hidaka District
  Hidaka District, Wakayama
  is a district located in Wakayama, Japan.　As of September 1, 2008, the district has an estimated Population of 56,219 and a Density of 85.8 persons/km²...
  
   merged to form the new town of Hidakagawa
  Hidakagawa, Wakayama
  is a town in Hidaka District, Wakayama Prefecture, Japan. It resulted from the May 2005 merger of the town of Kawabe and the villages of Nakatsu and Miyama. As of January 1, 2007, Hidakagawa has a population of 11,478 and an area of 331.61 km² for a population density of 34.613 people per...
  
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• On May 1, 2005 - the city of Tanabe
  Tanabe, Wakayama
  is the second biggest city in Wakayama Prefecture, Japan.As of 2008 , the city has an estimated population of 80,398 and a density of 78.3 persons per km². The total area is 1026.77 km². The city was founded on May 20, 1942.Tanabe is on the coast and surrounded by mountains...
  
  , the village of Ryūjin
  Ryujin, Wakayama
  was a village located in Hidaka District, Wakayama, Japan.On May 1, 2005 Ryūjin, along with the town of Nakahechi, the village of Ōtō, both from Nishimuro District, and the town of Hongū, from Higashimuro District, was merged into the expanded city of Tanabe....
  
   from Hidaka District
  Hidaka District, Wakayama
  is a district located in Wakayama, Japan.　As of September 1, 2008, the district has an estimated Population of 56,219 and a Density of 85.8 persons/km²...
  
  , the town of Nakahechi
  Nakahechi, Wakayama
  was a town located in Nishimuro District, Wakayama, Japan.On May 1, 2005 Nakahechi, along with the village of Ryūjin, from Hidaka District, the village of Ōtō, also from Nishimuro District, and the town of Hongū, from Higashimuro District, was merged into the expanded city of Tanabe.As of 2003, the...
  
   and the village of Ōtō
  Oto, Wakayama
  was a village located in Nishimuro District, Wakayama, Japan.On May 1, 2005 Ōtō, along with the village of Ryūjin, from Hidaka District, the town of Nakahechi, also from Nishimuro District, and the town of Hongū, from Higashimuro District, was merged into the expanded city of Tanabe.As of 2003, the...
  
   from Nishimuro District
  Nishimuro District, Wakayama
  is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 42,840 and a Density of 98.9 persons/km²...
  
   and town of Hongū
  Hongu, Wakayama
  was a town located in Higashimuro District, Wakayama, Japan.On May 1, 2005 Hongū, along with the village of Ryūjin, from Hidaka District, the town of Nakahechi, and the village of Ōtō, both from Nishimuro District, was merged into the expanded city of Tanabe....
  
   from Higashimuro District
  Higashimuro District, Wakayama
  Higashimuro is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 43,306 and a Density of 64.8 persons/km²...
  
   merged to form the new city of Tanabe
  Tanabe, Wakayama
  is the second biggest city in Wakayama Prefecture, Japan.As of 2008 , the city has an estimated population of 80,398 and a density of 78.3 persons per km². The total area is 1026.77 km². The city was founded on May 20, 1942.Tanabe is on the coast and surrounded by mountains...
  
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• On October 1, 2005 - the village of Hanazono
  Hanazono, Wakayama
  was a village located in Ito District, Wakayama Prefecture, Japan.As of 2003, the village had an estimated population of 573 and a density of 12.08 persons per km². The total area was 47.44 km².On October 1, 2005 Hanazono was merged into the town of Katsuragi....
  
   from Ito District
  Ito District, Wakayama
  is a district located in Wakayama Prefecture, Japan. As of September 1, 2008, the district has an estimated population of 28,171 and a density of 84.6 persons/km². The total area is 332.93 km².- Towns and villages :* Katsuragi* Kōya* Kudoyama- Timeline :...
  
   merged into the town of Katsuragi
  Katsuragi, Wakayama
  is a town located in Ito District, Wakayama, Japan.As of September 30, 2010, the town has an estimated population of 18,948 and a density of 124.88 persons per km². The total area is 151.73 km²....
  
  .

• On October 1, 2005 - the city of Shingū
  Shingu, Wakayama
  is a city located in Wakayama, Japan.As of May 1, 2011, the city has an estimated population of 32,288, with a household number of 16,003, and the density of 126.41 persons per km². The total area is 255.43 km²....
  
   and the town of Kumanogawa
  Kumanogawa, Wakayama
  was an enclave town that belongs to Higashimuro District, Wakayama, Japan, but was located on the border between Mie and Nara prefectures.On October 1, 2005 Kumanogawa was merged into the city of Shingū....
  
   from Higashimuro District
  Higashimuro District, Wakayama
  Higashimuro is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 43,306 and a Density of 64.8 persons/km²...
  
   merged to form the new city of Shingū
  Shingu, Wakayama
  is a city located in Wakayama, Japan.As of May 1, 2011, the city has an estimated population of 32,288, with a household number of 16,003, and the density of 126.41 persons per km². The total area is 255.43 km²....
  
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• On November 11, 2005 - the towns of Uchita
  Uchita, Wakayama
  was a town located in Naga District, Wakayama, Japan.On November 11, 2005 Uchita was merged with the towns of Kishigawa, Kokawa, Momoyama and Naga, all from Naga District, to form the new city of Kinokawa....
  
  , Kokawa
  Kokawa, Wakayama
  was a town located in Naga District, Wakayama, Japan.On November 11, 2005 Kokawa was merged with the towns of Kishigawa, Momoyama, Naga and Uchita, all from Naga District, to form the new city of Kinokawa....
  
  , Naga
  Naga, Wakayama
  was a town located in Naga District, Wakayama, Japan.On November 11, 2005 Naga was merged with the towns of Kishigawa, Kokawa, Momoyama and Uchita, all from Naga District, to form the new city of Kinokawa....
  
  , Momoyama
  Momoyama, Wakayama
  was a town located in Naga District, Wakayama, Japan.On November 11, 2005 Momoyama was merged with the towns of Kishigawa, Kokawa, Naga and Uchita, all from Naga District, to form the new city of Kinokawa....
  
   and Kishigawa
  Kishigawa, Wakayama
  was a town located in Naga District, Wakayama, Japan.On November 11, 2005 Kishigawa was merged with the towns of Kokawa, Momoyama, Naga and Uchita, all from Naga District, to form the new city of Kinokawa....
  
   from Naga District
  Naga District, Wakayama
  Naga was a district located in Wakayama, Japan. The District dissolved on April 1, 2006 when the town of Iwade gained city status.There was only one town left within the district before the dissolution.* Iwade-History:...
  
   merged to form the new city of Kinokawa
  Kinokawa, Wakayama
  is a city located in Wakayama Prefecture, Japan.As of April 30, 2011, the city has an estimated population of 67,835 with 25,607 households and a population density of 297.21 persons per km²...
  
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• On January 1, 2006 - the towns of Kanaya
  Kanaya, Wakayama
  was a town located in Arida District, Wakayama, Japan.As of 2003, the town had an estimated population of 9,405 and a density of 78.74 persons per km². The total area was 119.44 km²....
  
  , Kibi
  Kibi, Wakayama
  was a town located on the middle courses of Arida river in Arida District, of northwestern Wakayama, Japan. It was surrounded by mountains, the highest being Komeyama. The town was known for Kishu mandarin oranges, known as きしゅう みかん in Japanese. Kibi-cho has a "Fruit Tree Experiment Station" of...
  
   and Shimizu
  Shimizu, Wakayama
  was a town located in Arida District, Wakayama, Japan.On January 1, 2006 Shimizu was merged with the towns of Kanaya and Kibi, all from Arida District, to form the new town of Aridagawa....
  
   from Arida District
  Arida District, Wakayama
  is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 50,095 and a Density of 114 persons/km². The total area is 437.88 km².-Towns and villages:*Aridagawa*Hirogawa*Yuasa-Merger:...
  
   merged to form the new town of Aridagawa
  Aridagawa, Wakayama
  -External links:*...
  
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• On January 1, 2006 - the towns of Misato
  Misato, Wakayama
  was a town located in Kaisō District, Wakayama, Japan.On January 1, 2006 Misato was merged with the town of Nokami, also from Kaisō District, to form the new town of Kimino....
  
   and Nokami
  Nokami, Wakayama
  was a town located in Kaisō District, Wakayama, Japan.On January 1, 2006 Nokami was merged with the town of Misato, also from Kaisō District, to form the new town of Kimino....
  
   from Kaisō District
  Kaiso District, Wakayama
  is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 10,988 and a Density of 85.6 persons/km². The total area is 128.31 km².- Mergers :...
  
   merged to form the new town of Kimino
  Kimino, Wakayama
  is a town located within the center of the Kaisō District in Wakayama, Japan.Kimino was founded on January 1, 2006, as a merger between the towns of Misato and Nokami, both from Kaisō District....
  
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• On March 1, 2006 - the city of Hashimoto
  Hashimoto, Wakayama
  is a city located in Wakayama Prefecture, Japan.The city was founded on January 1, 1955.On March 1, 2006 the town of Kōyaguchi, from Ito District, was merged into Hashimoto....
  
   and the town of Kōyaguchi
  Koyaguchi, Wakayama
  was a town located in Ito District, Wakayama Prefecture, Japan.On March 1, 2006 Kōyaguchi was merged into the expanded city of Hashimoto.As of 2003, the town had an estimated population of 14,889 and a density of 742.22 persons per km². The total area was 20.06 km²....
  
   from Ito District
  Ito District, Wakayama
  is a district located in Wakayama Prefecture, Japan. As of September 1, 2008, the district has an estimated population of 28,171 and a density of 84.6 persons/km². The total area is 332.93 km².- Towns and villages :* Katsuragi* Kōya* Kudoyama- Timeline :...
  
   merged to form the new city of Hashimoto
  Hashimoto, Wakayama
  is a city located in Wakayama Prefecture, Japan.The city was founded on January 1, 1955.On March 1, 2006 the town of Kōyaguchi, from Ito District, was merged into Hashimoto....
  
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• On March 1, 2006 - the towns of Hikigawa
  Hikigawa, Wakayama
  was a town located in Nishimuro District, Wakayama, Japan.On March 1, 2006 Hikigawa was merged into the expanded town of Shirahama.As of , the town had an estimated population of 4,594 and a density of 33.70 persons per km² The total area was 136.31 km.²...
  
   and Shirahama
  Shirahama, Wakayama
  is a town located in Nishimuro District, Wakayama, Japan.On March 1, 2006 the town of Hikigawa, from Nishimuro District, was merged into Shirahama....
  
   (both from Nishimuro District
  Nishimuro District, Wakayama
  is a district located in Wakayama, Japan. As of September 1, 2008, the district has an estimated Population of 42,840 and a Density of 98.9 persons/km²...
  
  ) merged to form the new town of Shirahama
  Shirahama, Wakayama
  is a town located in Nishimuro District, Wakayama, Japan.On March 1, 2006 the town of Hikigawa, from Nishimuro District, was merged into Shirahama....
  
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• On April 1, 2006 - the town of Iwade
  Iwade, Wakayama
  is a city located in Wakayama, Japan.At the end of July 2006, the city had a population of 51,496. The total area is 38.50km².Negoroji temple was founded in 12th century...
  
  from Naga District
  Naga District, Wakayama
  Naga was a district located in Wakayama, Japan. The District dissolved on April 1, 2006 when the town of Iwade gained city status.There was only one town left within the district before the dissolution.* Iwade-History:...
  
   was promoted to city status. Naga District
  Naga District, Wakayama
  Naga was a district located in Wakayama, Japan. The District dissolved on April 1, 2006 when the town of Iwade gained city status.There was only one town left within the district before the dissolution.* Iwade-History:...
  
  was dissolved with this change in status.