Foglianise is a comune, or municipality, located in the Campania region of southern Italy. It is situated within the Province of Benevento.
The town is positioned approximately 50 kilometres (31 mi) northeast of Naples and about 10 kilometres (6.2 mi) northwest of Benevento. Its borders are shared with the municipalities of Benevento, Castelpoto, Cautano, Torrecuso, and Vitulano.