Regional map of the Gulf of Naples.
Topographic map of the Gulf of Naples and Mount Vesuvius
The Gulf of Naples (Italian: Golfo di Napoli; Neapolitan: Gurfo 'e Napule; Latin: Crater), also called the Bay of Naples, is a roughly 15-kilometer-wide (9.3 mi) gulf located along the south-western coast of Italy (province of Naples, Campania region). It opens to the west into the Mediterranean Sea. It is bordered on the north by the cities of Naples and Pozzuoli, on the east by Mount Vesuvius, and on the south by the Sorrentine Peninsula and the main town of the peninsula, Sorrento. The Peninsula separates the Gulf of Naples from the Gulf of Salerno, which includes the Amalfi coast.
The islands of Capri, Ischia and Procida are located in the Gulf of Naples. The area is a tourist destination, with the seaside Roman ruins of Pompeii and Herculaneum at the foot of Mount Vesuvius (destroyed in the AD 79 eruption of Vesuvius), along the north coast.
Along with the island of Ischia and gulfs of Pozzuoli and Gaeta, local waters are home to varieties of whales and dolphins including fin and sperm whales.