臺南州
Tainan County was established on 7 January 1946 on the territory of Tainan Prefecture () shortly after the end of World War II. In the early years, Tainan County consists of most territory of Tainan Prefecture except the territory near cities of Tainan and Kagi (Chiayi). The county is subdivide into districts (), which is reformed from Japanese districts (). The districts are divided into townships.