The Wa Metropolitan Assembly is one of the 261 Metropolitan, Municipal and District Assemblies (MMDAs) in Ghana, and forms part of the 11 of Municipalities and Districts in the Upper West Region.

Wa Metropolitan is located in the southeastern part of the Upper West region. The capital is Wa. It has a landmass of about 1,078km², which lies between latitudes 9º 55”n and 10º 25”n and longitude 1º 10”w and 2º 5”w.

In terms of size, it covers a total land area of 584 square kilometres.

The Metropolis Shares borders with Wa West District to the west, Nadowli Kaleo District to the north, the east, with  Wa East District , Sawla Tuna Kalba Districts to the south.

The population of the Metropolis according to 2021 population and housing census stands at 200,672 with 98,493 males and 102,179 females.