The Nakdong River or Nakdonggang is the longest river in South Korea, which passes through the major cities of Daegu and Busan. It takes its name from its role as the eastern border of the Gaya confederacy during Korea's Three Kingdoms Era.
Country: South Korea
Provinces: Gangwon Province, North Gyeongsang Province, Daegu, South Gyeongsang Province, Busan