eurozone how many countries
The eurozone (pronunciation (helpÂ·info)), officially called the euro area, is a monetary union of 19 of the 28 European Union (EU) member states which have adopted the euro (â¬) as their common currency and sole legal tender.ine countries (Bulgaria, Croatia, Czech Republic, Denmark, Hungary, Poland, Romania, Sweden, and the United Kingdom) are EU members but do not use the euro. Before joining the eurozone, a state must spend two years in the European Exchange Rate Mechanism (ERM II).