Tsukuba District, Ibaraki

This article is about the district in Ibaraki Prefecture, Japan. There is a city in Ibaraki with this name, see Tsukuba, Ibaraki.

Tsukuba (筑波郡; -gun) was a district located in Ibaraki, Japan. At its greatest extent it included the areas of today's cities of Jōsō, Shimotsuma, Toride, Tsuchiura, Tsukuba, and Tsukuba Mirai.

The district had two towns before the dissolution.

Ina
Yawara

On March 27, 2006, the remaining two municipalities merged to form the new city of Tsukubamirai and the district dissolved.

post-WWII Timeline

April 1, 1953 - The village of Oho gained town status. (4 towns, 22 villages)
November 3, 1953 - The village of Kamisato gained town status to become the town of Kamisato. (5 towns, 21 villages)
June 1, 1954 - The village of Takamichiso merged into the town of Shimotsuna from Makabe District. The town of Shimotsuna gained city status at the same day. (5 towns, 20 villages)
July 1, 1954 - The villages of Mishima, Taniita, Toyo, and Kohari merged, forming the village of Ina. (5 towns, 17 villages)
February 1, 1955 - The towns of Tsukuba and Hojo, and the villages of Tamizuyama, Tai, and Oda merged, forming the town of Tsukuba. (4 towns, 14 villages)
February 21, 1955 - The village of Kuga split and merged into the village of Ina and the town of Fujishiro in Kitasōma District. (4 towns, 13 villages)
March 1, 1955 - The villages of Yahara, Towa, and Fukuoka merged with the village of Kokinu from Kitasouma District, forming the village of Yawara. (4 towns, 11 villages)
March 31, 1955 (4 towns, 7 villages)
- The town of Yatabe and the villages of Onogawa, Katsuragi, Shimana, and parts of Mase merged, forming the town of Yatabe.
- The remaining parts of the village of Mase merged into the city of Mitsukaido.
April 1, 1955 (4 towns, 6 villages)
- The town of Kamisato and parts of the village of Asahi merged, forming the town of Toyosato.
- The town of Oho and the remaining parts of the village of Asahi merged, forming the town of Oho.
June 10, 1955 - The village of Itabashi merged into the village of Ina. (4 towns, 5 villages)
September 30, 1956 (4 towns, 3 villages)
- The village of Yoshinuma split and merged into the towns of Toyosato and Oho.
- The village of Sakuoka merged into the town of Tsukuba.
July 1, 1957 - The village of Sugama merged into the town of Tsukuba. (4 towns, 2 villages)
April 1, 1985 - The village of Ina gained town status. (5 towns, 1 village)
November 30, 1987 - The towns of Yatabe, Toyosato, and Oho merged with the village of Sakura from Niihari District to form the city of Tsukuba. (2 towns, 1 village)
January 31, 1988 - The town of Tsukuba merged into the city of Tsukuba. (1 town, 1 village)
March 27, 2006 - The town of Ina and the village of Yawara merged, forming the city of Tsukubamirai. Tsukuba District was dissolved as a result.