United Kingdom has 26,777 cities in the Geomelon dataset, one of the more densely covered countries in the API. The most populous is London in England, at 8,799,728 people. Query it by name, region, or coordinates, with translations in 46 languages.
Data updated: 2026-07-14
| City | Region | Population |
|---|---|---|
| London | England | 8,799,728 |
| Birmingham | England | 1,157,603 |
| Birmingham | β | 1,137,100 |
| Somerset | England | 975,782 |
| Leeds | England | 822,483 |
| Leeds | England | 822,483 |
| Swansea Bay City Region | β | 685,051 |
| Glasgow | Scotland | 635,640 |
| Glasgow City | Scotland | 633,120 |
| Sheffield | England | 577,800 |
GET /cities/search?countryCode=gb&sort=population_desc&limit=3
[
{
"id": "78f94343-dd35-477a-a290-3eff9724de17",
"name": "London",
"population": 8799728,
"countryName": "United Kingdom",
"countryCode": "GB",
"countryEmoji": "π¬π§",
"regionName": "England"
},
{
"id": "0e183251-00ee-4e0d-bc2a-f3f54f3b0f21",
"name": "Birmingham",
"population": 1157603,
"countryName": "United Kingdom",
"countryCode": "GB",
"countryEmoji": "π¬π§",
"regionName": "England"
},
{
"id": "72c0ce9e-76e4-44a5-b268-f8a15431d5ea",
"name": "Birmingham",
"population": 1137100,
"countryName": "United Kingdom",
"countryCode": "GB",
"countryEmoji": "π¬π§",
"regionName": null
}
]curl --request GET \
--url 'https://geomelon.p.rapidapi.com/cities/search?countryCode=gb&sort=population_desc&limit=10' \
--header 'x-rapidapi-host: geomelon.p.rapidapi.com' \
--header 'x-rapidapi-key: YOUR_API_KEY'City names in United Kingdom are available in 46 languages.
Prefer a static file? Download 5,000 United Kingdom cities as JSON (697 KB, no API key) from the United Kingdom cities dataset page.
Geomelon currently has 26,777 cities in United Kingdom across 16 regions. Results are paginated, up to 100 per request.
Yes. RapidAPI's free tier covers a fixed number of requests per month with no credit card required. There is also a free, no-key city-autocomplete endpoint (the demo above) for prefix search.
Yes β city names in United Kingdom are available in 46 languages. Pass the languages you want via the preferredLanguages parameter, most-preferred first.
The main search and lookup endpoints require a free RapidAPI key. The prefix-search autocomplete endpoint used in the demo above is public and does not require a key.