<P> Coordinates: 40 ° 00 ′ N 127 ° 00 ′ E ﻿ / ﻿ 40.000 ° N 127.000 ° E ﻿ / 40.000; 127.000 </P> <P> North Korea is located in east Asia on the northern half of the Korean Peninsula . </P> <P> North Korea shares a border with three countries; China along the Amnok River, Russia along the Tumen River, and South Korea along the Korean Demilitarized Zone (DMZ). The Yellow Sea and the Korea Bay are off the west coast and the Sea of Japan (East Sea of Korea) is off the east coast . </P>

On what type of landform are north and south korea located