What is the capital of United Kingdom?
The capital of United Kingdom is London
London is the capital city and seat of government of United Kingdom, a country in Northern Europe. United Kingdom uses the ISO codes GB and GBR, and its international dialling code is +44. The currency in use is the British pound (GBP).
For the full profile of United Kingdom, including its flag, currency, calling code, population and the countries it borders, see the United Kingdom country page. The country has an estimated population of 69,487,000 as of 2025.
Quick facts about United Kingdom
- Capital: London
- Region: Northern Europe
- Currency: British pound (GBP)
- Calling code: +44
- Flag emoji: 🇬🇧
Frequently asked questions
What is the capital of United Kingdom?
The capital of United Kingdom is London.
Is London the largest city in United Kingdom?
London is the capital of United Kingdom 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 London?
London, like the rest of United Kingdom, uses the British pound (GBP, symbol £).
Capitals of neighbouring countries
Capital and country data from open datasets. Full sources on the data page.