Cellere is a comune in the Province of Viterbo in the Italian region of Latium, located about 90 kilometres northwest of Rome and about 3…Cellere is a comune in the Province of Viterbo in the Italian region of Latium, located about 90 kilometres northwest of Rome and about 30 kilometres northwest of Viterbo. The main sight is the church of Sant'Egidio Abate, designed by Antonio da Sangallo the Younger.