Euro gold and silver commemorative coins

Eurozone participation
European Union member states
(special territories not shown)
  20 in the eurozone
  1 in ERM II, without an opt-out (Bulgaria)
  1 in ERM II, with an opt-out (Denmark)
  5 not in ERM II, but obliged to join the eurozone on meeting the convergence criteria (Czech Republic, Hungary, Poland, Romania, and Sweden)
Non–EU member states
  4 using the euro with a monetary agreement (Andorra, Monaco, San Marino, and Vatican City)
  2 using the euro unilaterally (Kosovo and Montenegro)

Gold and silver issues of the euro commemorative coins are collectors' euro coins not primarily intended for general circulation; the commemoratives also include rare cases of bimetal collector coins, such as titanium and niobium.