Onsen District, Ehime

Onsen (温泉郡, Onsen-gun^?) was a district located in Ehime Prefecture. Due to the mergers — The district dissolved on January 1, 2005.

The district had an estimated population of 40,690 and the total area was 248.73 km² (combined calculations of the former towns of Shigenobu, Kawachi, and Nakajima).

History

This district was located in what is currently the center of Matsuyama. It was once known as the Yu District (湯郡, Yu no kōri^?), where yu means "hot water."

The district was named after the Dōgo Onsen.

• Due to the 1878 Land Reforms, Kasahaya, Wake, and Kume Districts merged with the Onsen District.
• December 15, 1889 — Due to the city status enforcement, The city of Matsuyama was formed.
• Around 1897 — Several villages from the Kamiukena District were reassigned to the Onsen District: Ukena, Ebara, Sakamoto, Minamiyoshii, Haishi, and Miuchi.
• During 1897 — The village of Habu from Iyo District was reassigned to Onsen District.
• During 1897 — The village of Yodo in Iyo District was reassigned to Onsen District. (2 towns, 40 towns)
• November 28, 1898 — The village of Hōjō gained town status. (3 towns, 39 villages)
• October 1, 1914 — Parts of the village of Tateiwa merged into the village of Asanami.
• April 1, 1923 — The village of Dōgo split and merged into the city of Matsuyama and the town of Dōgoyuno. (3 towns, 38 villages)
• May 10, 1925 — The village of Furumitsu merged into the town of Mitsuhama. (3 towns, 37 villages)
• February 11, 1926 — The villages of Soga, Yūgun, Asami, and Miyuki merged into the city of Matsuyama. (3 towns, 33 villages)
• February 1, 1932, parts of the town of Dōgoyuno (former village of Dōgo areas) merged into the city of Matsuyama.
• June 1, 1937 — The village of Shinhama merged into the town of Mitsuhama. (3 towns, 32 villages)
• August 1, 1940 — The villages of Mibu, Kuwabara, Wake, Horie, Shiomi, Hisaeda, and the town of Mitsuhama merged into the city of Matsuyama. (2 towns, 26 villages)
• April 1, 1944 — The villages of Habu, Shōseki, and the town of Dōgoyuno merged into the city of Matsuyama. (1 town, 24 villages)
• April 1, 1951 — The town of Hōjō, and the villages of Nanba and Masaoka merged to form the town of Hōjō. (1 town, 22 villages)
• August 1, 1952 — The village of Higashinakajima gained town status. (2 towns, 21 villages)
• February 1, 1954 — The village of Gogoshima merged into the city of Matsuyama. (2 towns, 20 villages)
• October 1, 1954 — The village of Yodo merged into the city of Matsuyama. (2 towns, 19 villages)
• March 31, 1955 — The town of Hōjō, and the villages of Asanami, Tateiwa, Kōno, and Awai merged to form the town of Hōjō. (2 towns, 15 villages)
• April 25, 1955 — The villages of Kawakami and Miuchi merged to form the village of Kawauchi. (2 towns, 14 villages)
• May 1, 1955 — The villages of Idai, Kume, Gomyō, and Yuyama merged into the city of Matsuyama. (2 towns, 12 villages)
• September 1, 1956 — The village of Kitayoshii, Minamiyoshii, and Haishi merged to form the town of Shigenobu. (3 towns, 9 villages)
• September 1, 1956 — The village of Kawauchi and parts of the village of Nakagawa in the Shūsō District merged to form the town of Kawauchi. (4 towns, 8 villages)
• September 30, 1956 — The villages of Ebara and Sakamoto merged to form the village of Kutani. (4 towns, 7 villages)
• November 1, 1958 — The town of Hōjō gained city status, thus leaving the district. (3 towns, 7 villages)
• March 31, 1959 — The village of Jinwa and the town of Nakajima merged to form the town of Nakajima. (3 towns, 6 villages)
• April 10, 1959 — The village of Ukena merged into the city of Matsuyama. (3 towns, 5 villages)
• March 31, 1960 — The village of Mutsuno merged into the town of Nakajima. (3 towns, 4 villages)
• December 15, 1961 — The village of Ono merged into the city of Matsuyama. (3 towns, 3 villages)
• April 1, 1962 — The village of Ishii merged into the city of Matsuyama. (3 towns, 2 villages)
• March 31, 1963 — The village of Nishinakajima merged into the town of Nakajima. (3 towns, 1 village)
• October 25, 1968 — The village of Kutani merged into the city of Matsuyama. (3 towns)
• September 21, 2004 — The towns of Kawauchi and Shigenobu merged to form the new city of Tōon. (1 town)
• January 1, 2005 — The town of Nakajima merged into the city of Matsuyama. Thus the Onsen District was dissolved.

See also

• List of dissolved districts of Japan