Countries that use the Czech Koruna as its currency?

2 of the 172 countries in Geo Atlas answer yes to the question “Does the country use the Czech Koruna as its currency?”. All of them are in Europe. The largest is Czech Republic (78,866 km²) and the smallest Slovakia (49,035 km²). The most populous is Czech Republic with 10.7 million people; together these countries are home to about 16.2 million people. Each country below links to its full geography profile — then try to find them all on the map in a game.