The official currency in South Korea is the Won (KRW) or Korean Republic Won. US dollars are not accepted. Please be sure to have the correct currency on hand and be prepared to exchange your dollars to Won upon arrival. Currency exchange desks can be found at the airport and bank locations through the city, ATM`s are widespread. ATM`s and CD`s (cash dispensers) can be found in major train and bus stations, department stores, and banks throughout the city. For more detailed information, consult our guide by clicking here Tipping in South Korea.