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