List of mergers in Yamaguchi Prefecture

Last updated April 11, 2022

Here is a list of mergers in Yamaguchi Prefecture, Japan since the Heisei era.

Mergers from April 1, 1999 to Present

On April 21, 2003 - the cities of Tokuyama and Shinnan'yō merged with the town of Kumage (from Kumage District), and the town of Kano (from Tsuno District) were merged to create the city of Shūnan . Tsuno District was dissolved as a result of this merger.
On October 1, 2004 - the towns of Kuka, Ōshima, Tachibana and Tōwa (all from Ōshima District) were merged to create the town of Suō-Ōshima .
On October 4, 2004 - the town of Yamato (from Kumage District) was merged into the expanded city of Hikari .
On November 1, 2004 - the town of Kusunoki (from Asa District) was merged into the expanded city of Ube .
On February 13, 2005 - the old city of Shimonoseki absorbed the towns of Hōhoku, Kikugawa, Toyoura and Toyota (all from Toyoura District) to create the new and expanded city of Shimonoseki . Toyoura District was dissolved as a result of this merger.
On February 21, 2005 - the town of Ōbatake (from Kuga District) was merged into the expanded city of Yanai .
On March 6, 2005 - the old city of Hagi absorbed the towns of Susa and Tamagawa, and the villages of Asahi, Fukue, Kawakami and Mutsumi (all from Abu District) to create the new and expanded city of Hagi .
On March 22, 2005 - the old city of Nagato absorbed the towns of Heki, Misumi and Yuya (all from Ōtsu District) to create the new and expanded city of Nagato . Ōtsu District was dissolved as a result of this merger.
On March 22, 2005 - the city of Onoda was merged with the town of San'yō (from Asa District) to create the city of San'yō-Onoda . Asa District was dissolved as a result of this merger.
On October 1, 2005 - the old city of Yamaguchi (2nd generation) absorbed the town of Tokuji (from Saba District), and the towns of Aio, Ajisu and Ogōri (all from Yoshiki District) to create new and expanded city of Yamaguchi (3rd generation). Saba District and Yoshiki District were both dissolved as a result of this merger.
On March 20, 2006 - the old city of Iwakuni absorbed the towns of Kuga, Mikawa, Miwa, Nishiki, Shūtō and Yū, and the village of Hongō (all from Kuga District) to create the new and expanded city of Iwakuni . There are no longer villages in Yamaguchi Prefecture with this merger.
On March 21, 2008 - the towns of Mitō and Shūhō (both from Mine District) were merged into the expanded city of Mine . Mine District was dissolved as a result of this merger.
On January 16, 2010 - the town of Atō (from Abu District) was merged into the expanded city of Yamaguchi .

Planned/Future Mergers

Related Research Articles

Yamaguchi Prefecture is a prefecture of Japan located in the Chūgoku region of Honshu. Yamaguchi Prefecture has a population of 1,377,631 and has a geographic area of 6,112 km². Yamaguchi Prefecture borders Shimane Prefecture to the north and Hiroshima Prefecture to the northeast.

Nagato Province, often called Chōshū (長州), was a province of Japan. It was at the extreme western end of Honshū, in the area that is today Yamaguchi Prefecture. Nagato bordered on Iwami and Suō Provinces.

Suō Province was a province of Japan in the area that is today the eastern part of Yamaguchi Prefecture. It was sometimes called Bōshū (防州). Suō bordered on Aki, Iwami, and Nagato Provinces.

Yoshiki was a district located in Yamaguchi Prefecture.

(Japan > Yamaguchi Prefecture > Asa District)

(Japan > Yamaguchi Prefecture > Toyoura District)

Ōtsu was a district located in Yamaguchi Prefecture, Japan.

Shimonoseki is a city located in Yamaguchi Prefecture, Japan. With a population of 265,684, it is the largest city in Yamaguchi Prefecture and the fifth-largest city in the Chūgoku region. It is located at the southwestern tip of Honshu facing the Tsushima Strait at the entrance to the Kanmon Straits across from the city of Kitakyushu and the island of Kyushu. It is nicknamed the "Fugu Capital" for the locally caught pufferfish, and is the largest harvester of the pufferfish in Japan.

Yamaguchi is the capital city of Yamaguchi Prefecture, Japan. The city was founded on April 10, 1929. As of February 1, 2010, the city had an estimated population of 198,971 and a population density of 194.44 persons per km². The total area is 1,023.31 km².

Shinnan'yō was a city located in Yamaguchi Prefecture, Japan.

Shūnan is a city located in east central Yamaguchi Prefecture, Japan. As of October 1, 2016, the city has an estimated population of 143,959 and a population density of 220 persons per km². The total area is 656.13 km².

Tsuno was a district located in Yamaguchi Prefecture, Japan.

Kumage was a town located in Kumage District, Yamaguchi Prefecture, Japan.

Kano was a town located in Tsuno District, Yamaguchi Prefecture, Japan.

The Yamaguchi Shimbun is a Japanese language daily newspaper published by The Minato-Yamaguchi Co., Ltd. Headquartered in Shimonoseki, Yamaguchi. It was first published in Shimonoseki in 1946.

Yamaguchi's 2nd district was a constituency of the House of Representatives in the Imperial Diet of Japan. Between 1928 and 1942 it elected five representatives by single non-transferable vote (SNTV). It consisted of Yamaguchi Prefecture's Ōshima, Kuga, Kumage, Tsuno, Saba and Yoshiki districts.

Yamaguchi Broadcasting Co., Ltd. is a Japanese television and radio broadcasting company serving the city of Yamaguchi and Yamaguchi Prefecture. The initials come from K. K. Radio Yamaguchi.

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v t e Yamaguchi Prefecture
Yamaguchi (capital)
Core city	Shimonoseki
Cities	Hagi Hikari Hōfu Iwakuni Kudamatsu Mine Nagato San'yō-Onoda Shūnan Ube Yamaguchi (capital) Yanai
Districts	Abu District Abu Kuga District Waki Kumage District Hirao Kaminoseki Tabuse Ōshima District Suō-Ōshima
List of mergers in Yamaguchi Prefecture