Are you planning to visit Prague but you are not sure about which currency to exchange? So far we have our own currency – Czech crown (a.k.a. česká koruna, Kč, CZK). The exchange rate can vary but for the most part you can count with 1 EUR = ca. 27 CZK, 1 USD = ca. 24 CZK. However be careful where you exchange your money. NEVER do it on the street! The safest and probably the cheapest way to exchange is via a cash machine (ATM).