Wa Municipal located in the southeastern part of the Upper West region. The capital is WaThe municipal shares boundaries with Nadowli District to the north,the  East, with Wa East . 

The municipal also Shares borders with Wa west to the West. 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.

The municipal assembly also shares boundaries with sawla-tuna-kalba districts to the south.

The population of the municipality according to 2010 population and housing census stands at 107,214 with 52,996 males and 54,218 females.