The Tarkwa Nsuaem Municipal 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 it is located between Latitude 400’N and 500 40’N and Longitudes 10 45’ W and 20 10’W. The Administrative capital of the municipality is Tarkwa and was created from the former Wassa West District under Legislative Instrument (LI) 1886 in 2007.
It Bounded to the north with Prestea-Huni Valley Municipal, the south by the Ahanta West Municipal the west by the Nzema East Municipal and the east by Mpohor District and Wassa East District respectively. The Municipality has a total land area of 2354 sq. km.
The population of the Municipality according to 2010 population and housing census stands at 90,477 with 46,662 males and 43,815 females.