Euro (EURO) (monetary unit)

Is the official currency in the following countries:

1. Andorra
2. Austria
3. Belgium
4. Cyprus
5. Estonia
6. Finland
7. France
8. Germany
9. Greece
10. Ireland
11. Italy
12. Luxembourg
13. Malta
14. Monaco
15. Montenegro
16. Netherlands
17. Portugal
18. San Marino
19. Slovakia
20. Slovenia
21. Spain
22. Vatican City