Italy is a sovereign state.
The eurozone , officially called the euro area , is a monetary union of 19 of the 28 European Union ( EU ) member states which have adopted the euro as their common currency and sole legal tender . Italy . As a reflection of its cultural wealth , Italy is home to 51 World Heritage Sites , the most in the world , and is the fifth most visited country . A unitary state is a state governed as a single power in which the central government is ultimately supreme and any administrative divisions ( sub-national units ) exercise only the powers that the central government chooses to delegate .