Perito is a town and comune in the province of Salerno in the Campania region of south-western Italy. As of 2011 its population was of 1,007. …Perito is a town and comune in the province of Salerno in the Campania region of south-western Italy. As of 2011 its population was of 1,007. In the Middle Ages Perito had an important role as fortified town in control of the valleys below. From 1801 to 1860 it was a hamlet of Orria, then it became an independent municipality.