 The town was first mentioned in 1055, in a document of Farfa Abbey.It is locally known as "The Town of Privateers" ().Montopoli, located in the southwestern corner of the province, at the borders with the one of Rome, borders with the municipalities of Castelnuovo di Farfa, Fara in Sabina, Fiano Romano (RM), Nazzano (RM), Poggio Mirteto, Salisano and Torrita Tiberina (RM).