Italy is located in southern Europe and comprises the long, boot-shaped Italian Peninsula, the southern side of Alps, the large plain of the Po Valley and some islands including Sicily and Sardinia. Corsica, although belonging to the Italian geographical region, has been a part of France since 1769. Italy is part of the Eastern Hemisphere. Its total area is 301,340 km2 (116,350 sq mi), of which 294,140 km2 (113,570 sq mi) is land and 7,200 km2 is water (2,780 sq mi). It lies between latitudes 35° and 48° N, and longitudes 6° and 19° E. Italy borders with Switzerland (698 km or 434 mi), France (476 km or 296 mi), Austria (404 km or 251 mi) and Slovenia (218 km or 135 mi). San Marino (37 km or 23 mi) and Vatican city (3.4 km or 2.1 mi) are enclaves. Including islands, Italy has a coastline of 7,600 km (4,700 mi) on the Adriatic Sea, Ionian Sea, Tyrrhenian Sea, Ligurian Sea, Sea of Sardinia and Strait of Sicily.