Piaggine, also called “Chiaine“ in the local dialect, is a town and comune in the province of Salerno, in the region of Campania, in the south-west …Piaggine, also called “Chiaine“ in the local dialect, is a town and comune in the province of Salerno, in the region of Campania, in the south-west of Italy. The town is located on the river Calore, 93 miles south-east of Naples, 57 miles north-west of Potenza.