Diffa is a city and Urban Commune in the extreme southeast of Niger, near the border with Nigeria. It is the administrative seat of both Diffa Region, and the smaller Diffa Department.Geels, Jolijn, (2006) Bradt Travel Guide - Niger, pgs. 229-31Idrissa, Abdourahmane & Decalo, Samuel, Historical Dictionary of Niger (4th ed.). Scarecrow Press, Boston & Folkestone, (2012) , the commune had a total population of 48,005 people.
