Campania Region of sw Italy on the Tyrrhenian Sea, including the provinces of Avellino, Benevento, Caserta, Napoli and Salerno. The capital is Naples. It is a mountainous area with fertile plains yielding agricultural products such as wheat, potatoes, fruit, tobacco, flowers and wine. Area: 13,595sq km (5249sq mi). Pop. (2001) 5,782,244.

Campania territory in ancient Italy south of Latium, lying between the Apennines and the Tyrrhenian Sea, and extending south to the Surrentine promontory (Sorrento). A volcanic plain, it is exceptionally fertile, and many wealthy Romans had villas there.