Cividale del Friuli
San Pietro al Natisone (, in the local dialect: ; ; ) is a "comune" (municipality) in the Italian region Friuli-Venezia Giulia, located about northwest of Trieste and about northeast of Udine, and borders the following municipalities: Cividale del Friuli, San Leonardo, Savogna, Prepotto, Pulfero, and Torreano. Until 1878, its official name was San Pietro degli Slavi, that is "Saint Peter of the Slavs".