Say is a town in southwest Niger, situated on the Niger River. It is the capital of the Say Department in the Tillabéri Region. Say was a small Songhai town prior to the arrival of the Fulani marabout Alfa Mohamed Diobo in the nineteenth century who converted the town to a center for Islamic learning and established the Emirate of Say. The municipality has 58,290 inhabitants, and its economy is dominated by agriculture, herding and small trade.