The city was founded on March 22, 2005 from the merger of the former towns of Aikawa, Ani, Moriyoshi, and Takanosu, all from Kitaakita District.
The city was founded on March 22, 2005 from the merger of the former city of Honjō and the former towns of Chōkai, Higashiyuri, Iwaki, Nishime, Ōuchi, Yashima and Yuri.
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