Prestea-Huni Valley Municipal forms part of twenty two (23) Metropolitan, Municipalities and Districts in the Western Region of Ghana.

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.

It shares boundaries with Amenfi East Municipal and Amenfi Central Districts 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 Ati Morkwa District in the Central Region.  

The population of the Municipality according to 2010 population and housing census stands at 159,304 with 80,493 males and 78,811 females

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.