Campanian Archipelago

It principally comprises 5 islands: Capri, Ischia, Nisida, Procida, and Vivara.

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.

It originally included the Pontine Islands, which are now considered an archipelago in its own right.

Megaride Islet [it], 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.