Italy is located in Southern-Central Europe and comprises the boot-shaped Italian Peninsula and a number of islands including the two largest, Sicily and Sardinia Islands in the Mediterranean Sea – and many other smaller islands. It is the sixth most populous country in Europe, and the 23^rd most populous in the world (301,000 km² – 60.5 million inhabitants). The independent states of San Marino and the Vatican City are enclaves within Italy, whilst Campione d'Italia is an Italian exclave in Switzerland. Italy borders France, Switzerland and Austria to the north and Slovenia to the east. The Capital City is Rome.