Visciano is a municipality, that is on the edge of the Metropolitan City of Naples, on the border with the province of Avellino in Campania. As of 31 December 2004, it had a population of 4,607 and an area of 10.9 km2.Visciano borders the following municipalities: Avella, Baiano, Casamarciano, Liveri, Marzano di Nola, Monteforte Irpino, Mugnano del Cardinale, Nola, Pago del Vallo di Lauro, Sperone, Taurano.