The Amenfi West Municipal (formerly Wassa Amenfi West) is one of the 260 Metropolitan, Municipal and District Assemblies (MMDAs) in Ghana, and forms part of the 14 MMDAs in the Western Region.
The Municipality which was part of the erstwhile Wassa Amenfi District was established under the Legislative Instrument 1757 in 2004 with the administrative capital as Asankrangwa.
Amenfi West Municipal is located between Latitude 400’N and 500 40’N and Longitudes 10 45’ W and 20 10’W and it has a total land area of 1,448.56 square kilometres.
The Municipality is bounded to the west by Sefwi-Akontombra District and Aowin Municipal, the south by Jomoro Municipal, Ellembelle District and Nzema East Municipal, the east by Prestea Huni Valley Municipal and Amenfi Central District.
The population of the Municipality according to 2010 population and housing census stands at 92,152 with 47,361 males and 44,791 females.