Kai Province - Simple English Wikipedia, the free encyclopedia

Kai Province (甲斐国, Kai no kuni), also known as Kōshū (甲州), is an old province in Japan in the area of Yamanashi Prefecture on the island of Honshū.^[1]

History[change | change source]

During the Sengoku period, the warlord Takeda Shingen ruled Kai from his stronghold at Kōfu. After the Takeda, the area was controlled by the Tokugawa clan.^[1]

In the Meiji period, the provinces of Japan were converted into prefectures. The maps of Japan and Kai Province were reformed in the 1870s.^[2]

The area was briefly renamed Kōfu Prefecture; and it was renamed Yamanashi Prefecture in 1871.^[1]

Kai is west of Tokyo. The province is landlocked. It is in a mountainous region that includes Mount Fuji along its border with Shizuoka Prefecture.

Media related to Kai Province at Wikimedia Commons

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v t e Provinces of Japan
Kinai	Izumi Kawachi Settsu Yamashiro Yamato Yoshino 716–738
Tōkaidō	Awa Hitachi Iga Ise Izu Kai Kazusa Mikawa Musashi Owari Sagami Shima Shimōsa Suruga Tōtōmi
Tōsandō	Dewa -1869 Hida Iwaki 718–724 Iwaki 1869– Iwase 718–724 Iwashiro 1869– Kōzuke Mino Ōmi Mutsu –1869 Rikuō (or Mutsu) 1869– Rikuchū 1869– Rikuzen 1869– Shimotsuke Shinano Suwa 721–731 Ugo 1869– Uzen 1869–
Hokurikudō	Echigo Echizen Etchū Kaga Noto Sado Wakasa
San'indō	Hōki Inaba Izumo Iwami Oki Tajima Tanba Tango
San'yōdō	Aki Bingo Bitchū Bizen Harima Mimasaka Nagato Suō
Nankaidō	Awa Awaji Iyo Kii Sanuki Tosa
Saikaidō	Bungo Buzen Chikugo Chikuzen Higo Hizen Hyūga Iki Ōsumi Satsuma Tane 702–824 Tsushima
Hokkaidō 1869–	Chishima Hidaka Iburi Ishikari Kitami Kushiro Nemuro Oshima Shiribeshi Teshio Tokachi
Pre-Taihō Code provinces	Chichibu Fusa Hi Keno Kibi Koshi Kumaso Toyo Tsukushi
Source: Nussbaum, Louis-Frédéric. (2005). "Provinces and prefectures" in Japan Encyclopedia, p. 780, p. 780, at Google Books; excerpt, "Japan's former provinces were converted into prefectures by the Meiji government ... [and] grouped, according to geographic position, into the 'five provinces of the Kinai' and 'seven circuits'."