用英语介绍意大利.(范围广但不能太复杂)

The Italian Republic (Italian: Repubblica Italiana; IPA: [ɾe ˌpubblika ita 'ljaːna]) or Italy (Italia; (IPA: [i'taːlja]) is a southern European country that comprises the Po River valley, the Italian Peninsula and the two largest islands in the Mediterranean Sea, Sicily and Sardinia. It is also called by Italians lo Stivale ("the Boot," due to its boot-like shape), or la Penisola[1] ("the Peninsula" as an antonomasia).

Italy shares its northern alpine boundary with France, Switzerland, Austria and Slovenia. The independent countries of San Marino and the Vatican City are enclaves within Italian territory, while Campione d'Italia is an Italian enclave in Switzerland.

Italy was home to many well-known and influential European cultures, including the Etruscans, Greeks, and the Romans. Its capital Rome has been a historically important world city, especially as the core of ancient Rome and the Roman Catholic Churc