Industrial port (shipbuilding, cars, textiles, paper, food processing) and capital of Campania, Italy, on the Tyrrhenian Sea; population (1988) 1,201,000. To the S is the Isle of Capri, and behind the city is Mount Vesuvius, with the ruins of Pompeii at its foot. Naples is the third largest city of Italy, and as a port second in importance only to Genoa. Buildings include the royal palace, the San Carlo Opera House, the Castel Nuovo 1283, and the university 1224. The city began as the Greek colony Neapolis in the 6th century BC and was taken over by Romans 326 BC; it became part of the Kingdom of the Two Sicilies 1140 and capital of the Kingdom of Naples 1282.