Here is a list of mergers in Yamanashi Prefecture, Japan since the Heisei era.
Kōfu is the capital city of Yamanashi Prefecture, Japan. As of 1 April 2019, the city had an estimated population of 187,985 in 90,924 households, and a population density of 880 persons per km2. The total area of the city is 212.41 square kilometres (82.01 sq mi).
Kai Province was a province of Japan in the area of Japan that is today Yamanashi Prefecture. Kai bordered on Sagami, Suruga, Shinano and Musashi Provinces. Its abbreviated form name was Kōshū (甲州). The origin of its name is uncertain. It lies in central Honshū, west of Tokyo, in a landlocked mountainous region that includes Mount Fuji along its border with modern Shizuoka Prefecture.
Kasugai was a town located in Higashiyamanashi District, Yamanashi Prefecture, Japan.
Higashiyamanashi was a district located in Yamanashi Prefecture, Japan.
Misaka was a town located in Higashiyatsushiro District, Yamanashi Prefecture, Japan.
Sakaigawa was a village located in Higashiyatsushiro District, Yamanashi Prefecture, Japan.
Nakamichi was a town located in Higashiyatsushiro District, Yamanashi Prefecture, Japan.
Ashigawa was a village located in Higashiyatsushiro District, Yamanashi Prefecture, Japan.
Higashiyatsushiro was a district located in Yamanashi Prefecture, Japan.
Kamikuishiki was a village located in Nishiyatsushiro District, Yamanashi Prefecture, Japan.
Nishiyatsushiro is a district located in Yamanashi Prefecture, Japan.
Minobu is a town located in Yamanashi Prefecture, Japan. As of 1 June 2019, the town had an estimated population of 11,674 in 5447 households, and a population density of 39 persons per km2. The total area of the town is 302.00 square kilometres (116.60 sq mi).
Minamikoma is a rural district located in southern Yamanashi Prefecture, Japan.
Nakakoma is a district located in Yamanashi Prefecture, Japan.
Kitakoma was a district located in Yamanashi Prefecture, Japan.
Fujikawaguchiko is a town located in Yamanashi Prefecture, Japan. As of 1 June 2019, the town had an estimated population of 26,542 in 10,618 households, and a population density of 170 persons per km2. The total area of the town is 158.40 square kilometres (61.16 sq mi).
Minamitsuru is a rural district located in southeastern Yamanashi Prefecture, Japan.
Fuefuki is a city in Yamanashi Prefecture, Japan. As of 1 September 2020, the city had an estimated population of 67,300 in 30,408 households, and a population density of 340 persons per km2. The total area of the city is 201.92 square kilometres (77.96 sq mi).
Ichikawamisato is a town located in Yamanashi Prefecture, Japan. As of 1 June 2019, the town had an estimated population of 15,799 in 6679 households., and a population density of 210 persons per km². The total area of the town is 75.18 square kilometres (29.03 sq mi).
Fujikawa is a town located in Yamanashi Prefecture, Japan. As of 1 June 2019, the town had an estimated population of 15,125 in 6323 households, and a population density of 140 persons per km2. The total area of the town is 111.98 square kilometres (43.24 sq mi)..