Countries of circulation
Andorra, Austria, Belgium, Croatia, Cyprus, Estonia, Finland, France, French Guiana, French Southern Territories, Germany, Greece, Guadeloupe, Ireland, Italy, Kosovo, Latvia, Lithuania, Luxembourg, Malta, Martinique, Mayotte, Monaco, Montenegro, Netherlands, Portugal, Réunion, San Marino, Slovakia, Slovenia, Spain, St. Barthélemy, St. Martin, St. Pierre & Miquelon, Vatican City, Åland Islands
Historical note
The euro is the official currency of the eurozone, used by 20 of the 27 EU member states. Introduced for accounting in 1999 and as cash in 2002, it is the world's second most-held reserve currency.