199 countries 39,402 visa rules 72,668 airports 7,028 languages 235 holiday calendars 1,260 news stories Visa data verified 13 Oct 2026
Free Passport Photo Maker
Travel photo of South Korea

Asia · capital city

Flag of South KoreaWhat Is the Capital of South Korea?

Seoul

The capital of South Korea is Seoul. About 10.0 million people live in the Seoul urban area — 19.3% of the country's population.

10.0 million
Urban area population
UTC+9
Time zone
37.55°N
Latitude · 126.98°E
Yes
Largest city

Seoul at a glance

Name origin

The name originates from the Korean word meaning "capital city;" it was the capital of the unified Korea from 1392 to 1910.

Time zone

UTC+9 (14 hours ahead of Washington, DC, during Standard Time). No daylight saving time.

Coordinates

37 33 N, 126 59 E · IANA time zone Asia/Seoul

Location of South Korea

Eastern Asia, southern half of the Korean Peninsula bordering the Sea of Japan and the Yellow Sea

Largest cities in South Korea

1
Seoul Capital
10.0 million
2
Busan
3.5 million
3
Incheon
2.8 million
4
Daegu
2.2 million
5
Daejon
1.6 million
6
Gwangju
1.5 million
Urban-area population · CIA World Factbook (public domain)

Frequently asked questions about Seoul

What is the capital of South Korea?

The capital of South Korea is Seoul. About 10.0 million people live in the Seoul urban area — 19.3% of the country's population.

Is Seoul the largest city in South Korea?

Yes — Seoul is also the largest urban area of South Korea (10.0 million).

What time zone is Seoul in?

Seoul is on UTC+9 — UTC+9 (14 hours ahead of Washington, DC, during Standard Time). There is no daylight saving time.

Where does the name Seoul come from?

The name originates from the Korean word meaning "capital city;" it was the capital of the unified Korea from 1392 to 1910.

Which capital is closest to Seoul?

Among the capitals of neighbouring countries, Pyongyang (North Korea) is the closest, 195 km away in a straight line.

Data: CIA World Factbook (public domain); population: World Bank Open Data (CC BY 4.0).