The Prestea-Huni Valley Municipal is one of the 261 Metropolitan, Municipal and District Assemblies (MMDAs) in Ghana and forms part of the14 MMDAs in the Western Region.

It is located at the south-western part of Ghana. It was carved out of the former Wassa West District in 2008 by Legislative Instrument (L.I.) 1840. The Administrative capital of the District is Bogoso. The District has a land area of approximately 1,809 square km and this constitutes about 7 percent of the total land area of the region.

It shares boundaries with Wassa Amenfi East Municipal and Amenfi Central District in the north, Amenfi West Municipal to the west, Ellembelle District to the south-west, Tarkwa Nsuaem Municipality to the south, Mpohor District to the east and to the north-east by Twifo Atti Morkwa District in the Central Region.  

The population of the Municipality according to 2021 population and housing census stands at 229,301

with 117,744 males and 111,557 females.