Where in the world?
The flag of South Korea has a white field, at the center of which is a red and blue Taegeuk circle surrounded by four black trigrams, one in each corner.

Republic of Korea

Native name: South KoreaPopulation: 51,780,579Region: AsiaSub region: Eastern AsiaCapital: SeoulTop level domain: .kr, .한국Currencies: South Korean wonLanguages: Korean
Border Countries:North Korea