The Aowin Municipal is a Municipal of Ghana in the Western North Region. It shares common boundaries with Wassa Amenfi, Jomoro, Sefewi-Wiawso and Juabeso-Bia Districts. It is bordered by La Cote de voire to the west. The Municipal capital is Enchi. The two main rivers are Tano and Bia and along with numerous tributaries are perennials which drain the Municipal all the year round.