The Campanian Archipelago (Italian: Arcipelago Campano), also called Neapolitan Archipelago (Arcipelago Napoletano), is an archipelago in the Tyrrhenian Sea, in southwestern Italy. It principally comprises 5 islands: Capri, Ischia, Nisida, Procida, and Vivara. Most of the archipelago belongs to the Metropolitan City of Naples (and previously part of the Province of Naples).