List of mergers in Yamagata Prefecture
Mergers from April 1, 1999 to PresentEdit
- Merger: Shōnai Town (July 1, 2005)
- The towns of Amarume and Tachikawa (both from Higashitagawa District) were merged to create the town of Shōnai.
- Merger: Southern Shōnai (October 1, 2005)
- The city of Tsuruoka absorbed the towns of Fujishima, Haguro and Kushibiki, the village of Asahi (all from Higashitagawa District) and the town of Atsumi (from Nishitagawa District) to create the new and expanded city of Tsuruoka. Nishitagawa District was dissolved as a result of this merger.
- (in Japanese) The Merger Council of Southern Shōnai
- Merger: Northern Shōnai (November 1, 2005)