 As of 31 December 2004, it had a population of 1,399 and an area of 40.5 km².The municipality of Valtopina contains the "frazioni" (subdivisions, mainly villages and hamlets) Giove, Sasso, Poggio, Ponte Rio, Balciano, Santa Cristina, Gallano, and Casatommaso.Valtopina borders the following municipalities