How many countries have the euro as the national currency, although it does not belong to the EU?
These are (territories dependent on France): French Guiana, Guadeloupe, Martinique, Mayotte, Reunion, Saint-Barthélemy, Saint-Martin, Saint-Pierre and Miquelon. (Territories with an agreement with the EU): Andorra, Monaco, San Marino, the Vatican, and countries without an agreement with the EU: Montenegro and Kosovo.