Pozzuoli (Italian pronunciation: [potˈtswɔːli]; Latin: Puteoli ; Neapolitan: Pezzulo) is a city and comune of the Metropolitan City of Naples, in the Italian region of Campania. It is the main city of the Phlegrean Peninsula.
There are several ancient Roman ruins in Pozzuoli, including the macellum (market building), an amphitheatre and a bath.
From the Montesanto train station in Naples, take the Cumana line to either the Arco Felice stop or the Lucrino stop.
From Naples Central Station, take the Circumflegrea line to Pozzuoli. The station is just down the street from the Solfatara volcano entrance and the Flavian Amphitheater.