Slovak euro coins
Slovakia has been a member of the European Union since May 2004, and is a member of the European Economic and Monetary Union. Slovakia adopted the euro on 1 January 2009, replacing its previous currency, the Slovak koruna.
Celtic coinage
The Boii gave their name to Bohemia and Bologna; a Celtic coin (Biatec) from Bratislava's mint is displayed on Slovak 5 koruna coin, which was in use until Slovakia joined the euro zone on January 1, 2009.