List of mergers in Ehime Prefecture

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

Mergers from April 1, 1999 to Present

On April 1, 2003 - the village of Besshiyama from Uma District merged into the (expanded) city of Niihama.

On April 1, 2004 - all towns and villages in the former Higashiuwa District (dissolved by this merger) and Mikame from Nishiuwa District merged, forming the new city of Seiyo.

On April 1, 2004 - the cities of Kawanoe and Iyomishima, the town of Doi and the village of Shingū (both from Uma District, dissolved by this merger) merged to form the new city of Shikokuchūō.

On August 1, 2004 - the town of Kuma and the villages of Mikawa, Omogo, and Yanadani from Kamiukena District merged to form the new town of Kumakōgen.

On September 21, 2004 - the towns of Kawauchi and Shigenobu from Onsen District merged to form the new city of Tōon.

On October 1, 2004 - the municipalities of Ikina, Iwagi, Uoshima, and Yuge (all from Ochi District) merged, forming the new town of Kamijima.

On October 1, 2004 - all the former towns of Minamiuwa District (Jōhen, Mishō, Nishiumi, Uchiumi, and Ipponmatsu) merged together to form a new and larger town of Ainan.

On November 1, 2004 - the former city of Saijō merged with the former city of Tōyo and the towns of Komatsu and Tanbara from the former Shūsō District (dissolved by this merger) merged to create the new city of Saijō.

On January 1, 2005 - the village of Hirota from Iyo District merged into the town of Tobe.

On January 1, 2005 - the town of Hiromi and the village of Hiyoshi (both from Kitauwa District) merged to form the new town of Kihoku.

On January 1, 2005 - the towns of Ikazaki (from Kita District) and Oda (from Kamiukena District) merged into the town of Uchiko.

On January 1, 2005 - the city of Hōjō and the town of Nakajima from Onsen District (dissolved by this merger) merged into the (expanded) city of Matsuyama.

On January 11, 2005 - the towns of Hijikawa and Nagahama as well as the village of Kawabe (all from Kita District) merged into the city of Ōzu.

On January 16, 2005 - the 11 towns and villages (all from Ochi District) and the old city of Imabari merged to form the new city of Imabari. Towns and villages involved in this merger were Asakura, Hakata, Kamiura, Kikuma, Miyakubo, Namikata, Ōmishima, Ōnishi, Sekizen, Tamagawa, and Yoshiumi. With this merger, there are no more villages left in Ehime Prefecture.

On March 28, 2005 - the town of Honai from Nishiuwa District and the old city of Yawatahama merged to form the new city of Yawatahama.

On April 1, 2005 - the city of Iyo merged with the towns of Nakayama and Futami from Iyo District to form the new city of Iyo.

On April 1, 2005 - the towns of Misaki and Seto from Nishiuwa District merged into the town of Ikata.

On August 1, 2005 - the towns of Mima, Tsushima and Yoshida from Kitauwa District and with the old city of Uwajima merged to form the new city of Uwajima.