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.
- Has more people than all of its neighbours combined1 of 8
- Borders exactly one country1 of 16
- Its capital city's name begins with “S”1 of 17
- Has more than 350 people per km²1 of 23
- Its name begins with “S”1 of 26
- Its name and its capital city begin with the same letter1 of 28
- Has more than 50 million people1 of 29
- Has more people than Spain1 of 30
- Its name has more than one word1 of 32
- Lies further east than India1 of 34
- Its flag contains black1 of 44
- Every country it borders has a higher peak than it does1 of 46
- Is in Asia1 of 48
- Its name has 10 letters or more1 of 48
- Every country it borders is larger than it1 of 51
- Has more people than Australia1 of 54
- Lies further north than Japan1 of 58
- Every country it borders has a coastline1 of 67
- Lies further north than Egypt1 of 76
- Borders fewer than 3 countries1 of 84
- Is smaller than Iceland1 of 89
- Its flag contains blue1 of 99
- Has exactly one official language1 of 130
- Drives on the right1 of 141
- Has an area smaller than 500,000 km²1 of 144
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.