The Mamprusi language is spoken in a town that lies on the main road from Bolgatanga to where?
Mamprusi language:  The Mamprusi language is spoken in a broad belt across the northern parts of the Northern Region of Ghana, stretching west to east from Yizeesi to Nakpanduri and centred on the towns of Gambaga/Nalerigu and Walewale. Walewale: Walewale is a small town and the capital of West Mamprusi district in the Northern Region of Ghana.
i don't know