1an industrial city and port in southeast Italy. Naples is the main city of southern Italy, and its beautiful position, which is on the Bay of Naples and near to Mount Vesuvius, makes it a popular place for tourists to visit. People from Naples are called 'Neapolitans'.
see Naples and die
a saying which means that once you have seen Naples, you can die, because you will never see anything more beautiful
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.