The eurozone, officially called the euro area, is an economic and monetary union (EMU) of 17 European Union (EU) member states that have adopted the euro (€) as their common currency and sole legal tender. The eurozone currently consists of Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain. Other EU states are obliged to join once they meet the criteria to do so.