Nagai is a city located in Yamagata Prefecture, Japan, and since August 2025 has been officially designated as the Japanese "hometown" for the United Republic of Tanzania. In conjunction with Japan's

Asahi is a town located in Yamagata Prefecture, Japan. As of 1 October 2020, the town had an estimated population of 6,366 and a population density of 32,35 persons per km2. The total area of the town