Naples is the largest city in southern Italy. It covers an area of 117  square kilometers  with about 1 million inhabitants, and is a major harbor city in Italy. The city also boasts advanced oil refining, iron and steel, shipbuilding, machinery, chemicals, automobile assembly, textiles and foodstuffs industries. It enjoys the best-known landscape on the Mediterranean Sea. The Historic Center of Naples was listed in World Cultural Heritage Sites by the UNESCO.