Naples is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan. The Kingdom of Naples, also known as the KingdomNaples is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan. The Kingdom of Naples, also known as the Kingdom of Sicily, was a state that ruled the part of the Italian Peninsula south of the Papal States between 1282 and 1816. Wikipedia...more