Mihara is a village located in Hata District, Kōchi Prefecture, Japan. As of 31 July 2022, the village had an estimated population of 1449 in 751 households and a population density of 17 persons per km2. The total area of the village is 39.60 square kilometres (15.29 sq mi).

Shimanto is a city in southwestern Kōchi Prefecture, Japan. As of 31 July 2022, the city had an estimated population of 32,593 in 16635 households, and a population density of 52 persons per km2. The total area of the city is 632.29 square kilometres (244.13 sq mi).