Campanian Archipelago

The Campanian Archipelago (), also called Neapolitan Archipelago (""), 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).
Extent.
The five principal islands are all administered by the Metropolitan City of Naples:
Nearby islets and skerries are usually included in the archipelago as well: 
Most of these minor islets belong to Naples as well, except the Sirenuse (Galli), which belong to the Province of Salerno.
History.
The ancient name of this archipelago was the Parthenopaean Islands ("", from Parthenope, the ancient name of Naples). It originally included the Pontine Islands, which are now considered an archipelago in its own right.
, home to Castel dell'Ovo, used to be an island – albeit very near the coastline – in this archipelago. However, it is now a peninsula attached directly to the mainland.