Located to the west of the Aizu Basin in Fukushima Prefecture, Mishima-machi lost many of its young people during Japan's period of rapid economic growth, with the population declining at a rate of over 17 % at one point.
位於日本福島縣、居會津盆地西部的三島町，在日本經濟高度成長期時，人口流失率曾高達百分之十七強，因而被指定為「過疏地域」。