Sacco is a town and comune in the province of Salerno in the Campania region of south-western Italy. As of 2011, its population was 582. Loc…Sacco is a town and comune in the province of Salerno in the Campania region of south-western Italy. As of 2011, its population was 582. Located in the central-eastern area of Cilento and near the Alburni mountain range, the municipality borders with Corleto Monforte, Laurino, Piaggine, Roscigno and Teggiano. It has no hamlets. The town is located near the spring of the river Sammaro.