Eastern Asia · Asia
South Korea
Republic of Korea
South Korea shares its only land border with North Korea.
- Capital
- Seoul
- Population
- 51.7 million (2025) · #29 of 197
- Area
- 100,460 km² · #108 of 197
- People per km²
- 514
- Land neighbors
- 1
Where it is
Population: World Bank (2025). Area: World Bank (2024). Land neighbors calculated from Natural Earth 1:10m boundaries; see our borders policy for disputed areas.