Supino is a comune (municipality) in the Province of Frosinone in the Italian region Lazio, located about 70 km southeast of Rome and about 10 km west of Frosinone. Supino borders the following municipalities: Carpineto Romano, Ferentino, Frosinone, Giuliano di Roma, Gorga, Maenza, Morolo, Patrica. This small town is located on the slopes of the Monti Lepini, at the foot of Monte Gemma (1457 m) and overlooks the Sacco river valley.