Nitta District, Gunma

Nitta (新田郡; -gun) was a district located in Gunma, Japan.

Towns and villages were part of the district (before the current mergers)

• Kasakake->part of the city of Midori since March 27, 2006
• Nitta->part of the city of Ota since March 28, 2005
• Ojima->part of the city of Ota since March 28, 2005
• Yabuzukahon->part of the city of Ota since March 28, 2005

(As of October 2004, the district had a population of 93,500)

District timeline

• April 1, 1889 - When the town and village status enforced, the district founded four towns-Ota, Kizaki, Yabutsukahonmachi, and Ojima, and 9 villages-Kasakake, Kuai, Sawano, Torinosato, Namashina, Watauchi, Kyodo, Serada, and Hosen.
• April 1, 1940 - The town of Ota and the villages of Kokonoai and Sawano merged with the village of Nirakawa in Yamada District to form the town of Ota. (4 towns, 7 villages)
• November 1, 1943 - The village of Torinosato merged into the town of Ota. (4 towns, 6 villages)
• May 3, 1948 - The town of Ota gained city status. (3 towns, 6 villages)
• September 30, 1956 - The town of Kizaki and the villages of Namashima and Watauchi merged to form the town of Nitta. (3 towns, 4 villages)
• April 1, 1957 - The village of Kyodo merged into the city of Ota. (3 towns, 3 villages)
• November 1, 1957 - The village of Serada split and merged into the town of Sakai in Sawa District (now the city of Isesaki) and the town of Ojima. (3 towns, 2 villages)
• April 1, 1963 - The village of Hosen merged into the city of Ota. (3 towns, 1 village)
• April 1, 1990 - The village of Kasakake gained town status. (4 towns)
• March 28, 2005 - The towns of Nitta, Ojima, and Yabutsukahonmachi merged with the former town of Ota to form the new city of Ota. (1 town)
• March 27, 2006 - The town of Kasakake merged with the towns of Ōmama from Yamada District and Azuma from Seta District to form the new city of Midori. Nitta District was dissolved as a result of this merger.