Wa is a town and the capital of the Wa Municipal District and the Upper West Region of Ghana. It has a population of 200,672 people accordi…Wa is a town and the capital of the Wa Municipal District and the Upper West Region of Ghana. It has a population of 200,672 people according to the 2021 census. The town is a transportation hub for the Upper West region, with major roads leading north to Hamile, and northeast to Tumu and the Upper East Region. There is also a small airport, named the Wa Airport.