There are 100 groszy to 1 zloty (PLN). Banknotes come in 10, 20, 50, 100 and 200 PLN denominations. Coins come in 1, 2, 5, 10, 20, 50 groszy and 1, 2, and 5 zlotys. Most hotels accept payment in euro or USD. There are already a considerable number of businesses accepting credit cards (few of them may decline American Express). Though it can take time to find a place where they accept travellers' cheques, you will succeed in the end. Banks are open on weekdays usually until 3pm - 6pm. Even better exchange rates are available in the numerous kantors (exchange offices - shop around to find the best deal) or at post offices. You can check the national bank rates at www.nbp.pl

CONVERSIONS
1 USD = approximately 2.8 PLN
1 GBP = approximately 5.7 PLN
1 EUR = approximately 3.8 PLN
1 AUD = approximately 2.3 PLN
1 CAD = approximately 2.7 PLN
1 CZK = approximately 0.1 PLN
1 LTL = approximately 1.1 PLN
1 RUB = approximately 0.1 PLN
1 CHF = approximately 2.3 PLN