United Kingdom: flag, capital & map
Get to know United Kingdom, then put your memory to work.
Country facts
- Capital
- London
- Region
- Europe
- Subregion
- Northern Europe
- Population (2025, World Bank)
- 69,487,000
- Area
- 244,376 km²
- Languages (REST Countries)
- English
- Currency (CLDR, October 2026)
- British Pound (GBP)
- Land neighbours
- Ireland
London is the capital of the United Kingdom. The UK includes England, Scotland, Wales, and Northern Ireland.
Dated population: World Bank; geographic facts: REST Countries; currencies: Unicode CLDR. Sources and dates →
Flag of United Kingdom
The flag of the United Kingdom — the Union Jack — has a blue field. It features the white-edged red cross of Saint George superimposed on the diagonal red cross of Saint Patrick which is superimposed on the diagonal white cross of Saint Andrew.
Where it is
United Kingdom is grouped in Northern Europe, within Roam’s Europe region. Its land-border list includes 1 country in this atlas: Ireland. The source classifies it as not landlocked.
United Kingdom has a recorded area of 244,376 square kilometres. Among the 10 countries assigned to Northern Europe in this dataset, it ranks 4 by area, from largest to smallest. Finland is immediately above it in that ordering, at 338,455 km². Iceland is immediately below it, at 103,000 km². This comparison uses the source’s area figures and subregions, not a ranking of all territories.
The marker shows the atlas location. Small countries may be too small for an outline at this scale. Map boundaries are illustrative.
People, languages and currency
The World Bank records 69,487,000 people for United Kingdom in 2025. This is the latest non-empty annual observation in Roam’s committed 2020–2025 download, rather than a live population counter. Dividing that population by the source area gives approximately 284 people per square kilometre. This calculated average does not describe how evenly people are distributed.
The language entries in the source are English. They describe the dataset’s listed languages, not every language spoken by residents. The currency listed for this date is British Pound (GBP). Currency assignments are selected from Unicode CLDR’s date ranges for 23 October 2026; the three-letter codes identify currencies, not countries.
Test yourself
Cover the facts above and work through these five questions. Open each answer when you are ready to check it. You can use this section without JavaScript.
What is the capital of United Kingdom?
Reveal answer
London. London is the capital of the United Kingdom. The UK includes England, Scotland, Wales, and Northern Ireland.
Without looking at the image, how would you describe the flag of United Kingdom?
Reveal answer
The flag of the United Kingdom — the Union Jack — has a blue field. It features the white-edged red cross of Saint George superimposed on the diagonal red cross of Saint Patrick which is superimposed on the diagonal white cross of Saint Andrew.
Which land neighbours of United Kingdom are included in this atlas?
Reveal answer
Ireland. The source classifies United Kingdom as not landlocked.
Which languages does the source list for United Kingdom?
Reveal answer
English. These are the source’s language entries, not a complete inventory of every language spoken in United Kingdom.
Which currency codes are listed for United Kingdom?
Reveal answer
British Pound (GBP). These assignments use Unicode CLDR’s legal-tender date ranges for 23 October 2026.
Try it from memory
5 questions. Answers and feedback appear after each attempt. This short quiz does not change your daily score or saved progress.