Amenfi West (formerly Wassa Amenfi West) District was established by Legislative Instrument (L.I) 2012 and it forms part of twenty two (22) Metropolitan, Municipalities and Districts in the Western Region of Ghana. The District is located between Latitude 400’N and 500 40’N and Longitudes 10 45’ W and 20 10’W. The Administrative capital of the District is Asankrangwa. The District shares boundaries with Aowin District to the west, to the east with Waasa East District, to the north with Bibiani-Anhwiaso-Bekwai.and to the south with Amenfi Central District.
The population of the district according to 2010 population and housing census stands at 92,152 with 47,361 males and 44,791 females.