North Korea A state in East Asia in the northern half of the Korean Peninsula, with its capital in the city of Pyongyang. To the south and separated by the Korean Demilitarized Zone is South Korea, with which it formed one nation until division following World War II. At its northern Amnok River border are China and, separated by the Tumen River in the extreme north-east, Russia. LanguaL curation note: US FDA 1995 Code: KP democratic people's republic of korea korea, democratic people's republic of korea, north Northeast Asia Country North Korea A state in East Asia in the northern half of the Korean Peninsula, with its capital in the city of Pyongyang. To the south and separated by the Korean Demilitarized Zone is South Korea, with which it formed one nation until division following World War II. At its northern Amnok River border are China and, separated by the Tumen River in the extreme north-east, Russia. LanguaL curation note: US FDA 1995 Code: KP democratic people's republic of korea korea, democratic people's republic of korea, north Northeast Asia