Carbognano is a comune (municipality) in the Province of Viterbo in the Italian region of Latium, located about 50 kilometres (31 mi) northwest of Rome and about 15 kilometres (9 mi) southeast of Viterbo. As of 31 December 2004, it had a population of 1,992 and an area of 17.2 square kilometres (6.6 sq mi).[3]