What is the capital of South Korea?
The capital of South Korea is Seoul
Seoul is the capital city and seat of government of South Korea, a country in Eastern Asia. South Korea uses the ISO codes KR and KOR, and its international dialling code is +82. The currency in use is the South Korean won (KRW).
For the full profile of South Korea, including its flag, currency, calling code, population and the countries it borders, see the South Korea country page. The country has an estimated population of 51,684,564 as of 2025.
Quick facts about South Korea
- Capital: Seoul
- Region: Eastern Asia
- Currency: South Korean won (KRW)
- Calling code: +82
- Flag emoji: 🇰🇷
Frequently asked questions
What is the capital of South Korea?
The capital of South Korea is Seoul.
Is Seoul the largest city in South Korea?
Seoul is the capital of South Korea and its seat of government. In many countries the capital is also the largest city, though not always, so the biggest city by population can differ.
What currency is used in Seoul?
Seoul, like the rest of South Korea, uses the South Korean won (KRW, symbol ₩).
Capitals of neighbouring countries
Capital and country data from open datasets. Full sources on the data page.