Flag of South Korea

South Korea

Asia · Capital: Seoul

South Korea is a country in Asia, home to about 51.7 million people across 100,210 km². Its capital is Seoul. It is a coastal country sharing land borders with one country.

Key facts

Capital

Seoul

Region

Asia

Population

~51.7 million people

Area

100,210 km²

Density

516 people per km²

Coastline

Has a coastline

Hemisphere

Northern Hemisphere

Drives on the

Right

Language

Korean

Standard time zones

1

Highest point

1,947 m

Head of state

Not a monarch

Flag colors

white, red, blue, black

Which countries border South Korea?1

South Korea in the game

Every puzzle gives three clues that exactly one country satisfies. South Korea is a household name, so it can be the answer even in easy puzzles. These are the 25 clues from the pool that are true of South Korea, rarest first — the fewer countries share a clue, the harder it works for you on the board.

Common questions about South Korea

Which countries border South Korea?
South Korea shares a land border with one country: North Korea.
What is the capital of South Korea?
The capital of South Korea is Seoul.
Is South Korea landlocked?
No. South Korea has a coastline.
What language is spoken in South Korea?
South Korea has one official language, Korean.

Facts reviewed June 2025. Populations are rounded estimates; area includes inland water.