Sefwi Wiawso is a town in the Sefwi-Wiawso Municipal District in the Western North Region of Ghana. It doubles as the capital of Sefwi-Wiawso Municipal District and Western North Region. Wiawso serves as the traditional seat for the Omanhene of Sefwi-Wiawso traditional area. The settlement of Wiawso began on hilltop with Sefwi-Dwenase settlement occupying the lowlands.