Vitorchiano is a comune in the Province of Viterbo in the Italian region of Latium, located about 70 kilometres northwest of Rome and about 7 kilometres northeast of Viterbo. As of 31 December 2004, it had a population of 3,690 and an area of 29.8 square kilometres. Vitorchiano borders the following municipalities: Bomarzo, Soriano nel Cimino, Viterbo. It is one of I Borghi più belli d'Italia.