is the republic of korea known as north or south korea
South Korea South Korea, officially the Republic of Korea (abbreviated ROK), is a sovereign state in East Asia, constituting the southern part of the Korean Peninsula.[15] Officially, its territory consists of the whole Korean Peninsula and its adjacent islands,[16] which are largely mountainous. South Koreans lead a distinctive urban lifestyle, as half of them live in high-rises[17] concentrated in the Seoul Capital Area with 25 million residents.[18] The capital Seoul is the world's sixth leading global city[19] with the fifth largest economy[20] and is the seventh most sustainable city in the world.[21]