You can exchange money conveniently in Korea at Incheon International Airport as well as various banks in the city. However, if you have a visa or a master-affiliated credit card, it is better to exchange money at a minimum cost.
The reason is that credit card payments are very common in Korea. For example, buying candy at a convenience store is also possible to pay with a credit card.
If you don't have a visa or a master-affiliated credit card, it's recommended to exchange money at Incheon Inte...
원문 링크 : Currency exchange in Korea