Travelers are voting Certosa di San Martino, Cuomo Palace and Ceramics Museum as the best of 6 museums in Naples. There are 6 museums in Gaeta a city just 43 km from Naples and 6 museums in Formia which is 44 km distant. The most popular of these are Castel Sant'Angelo in Gaeta and Palatine Hill in Formia. You can find 6 museums in Campania and 51 museums in the country of Italy. Our members favorite in Campania is Certosa di San Martino and Uffizi Museum is the top pick in Italy. Want more? Check out our map of museums in Naples.