GeotchaA geography quiz on a real globe

Largest city of each country

179 cities, each one drawn on a satellite globe. Name it when it lights up, find it when you are given its name, tell its flag from three others, or type every one you can remember in Name all.

Free to play, with no account needed. What you miss comes back for review until it sticks.

The cities

  1. 1Guangzhou43 M
  2. 2Tokyo41.3 M
  3. 3Delhi36.9 M
  4. 4Jakarta29.8 M
  5. 5Manila27.1 M
  6. 6Mexico City25.6 M
  7. 7Seoul25.4 M
  8. 8Dhaka23.7 M
  9. 9Cairo23.2 M
  10. 10São Paulo22.7 M
  11. 11New York City22.6 M
  12. 12Bangkok22.4 M
  13. 13Lagos21.9 M
  14. 14Karachi21.8 M
  15. 15Moscow19.1 M
  16. 16Tehran17.2 M
  17. 17Buenos Aires17 M
  18. 18Kinshasa16.9 M
  19. 19Istanbul16.2 M
  20. 20London15.4 M
  21. 21Johannesburg15.1 M
  22. 22Ho Chi Minh City14.7 M
  23. 23Lima12.2 M
  24. 24Paris11.6 M
  25. 25Bogotá10.8 M
  26. 26Luanda10.4 M
  27. 27Taipei10.2 M
  28. 28Kuala Lumpur9.8 M
  29. 29Santiago8.6 M
  30. 30Toronto8.3 M
  31. 31Singapore8.2 M
  32. 32Baghdad8 M
  33. 33Riyadh7.9 M
  34. 34Khartoum7.4 M
  35. 35Abidjan7.3 M
  36. 36Nairobi7.2 M
  37. 37Accra7.1 M
  38. 38Madrid7 M
  39. 39Dar es Salaam6.9 M
  40. 40Dubai6.7 M
  41. 41Milan6.6 M
  42. 42Amman6.3 M
  43. 43Bamako6 M
  44. 44Kabul5.5 M
  45. 45Melbourne5.5 M
  46. 46Kampala5.4 M
  47. 47Colombo5 M
  48. 48Addis Ababa5 M
  49. 49Yangon4.9 M
  50. 50Kuwait City4.8 M
  51. 51Berlin4.7 M
  52. 52Casablanca4.5 M
  53. 53Algiers4.4 M
  54. 54Dakar4.4 M
  55. 55Tashkent4.1 M
  56. 56Damascus4.1 M
  57. 57Conakry4 M
  58. 58Douala4 M
  59. 59Santo Domingo4 M
  60. 60Caracas3.9 M

and 119 more, all in the quiz.

Population of the metro area: the city and the places continuously built up around it, as Thomas Brinkhoff’s Major Agglomerations of the World (citypopulation.de) counts them from censuses projected to 1 January 2026, the list most rankings use. It covers every agglomeration of 1 million or more; a smaller city ranks by its GHSL urban centre (2025), or by its city-proper figure where GHSL’s centre is far larger than the list allows. A city inside another city’s metro area (Giza in Cairo’s, Pretoria in Johannesburg’s) is not ranked on its own. One per group: the largest city of each country by this measure, then ranked together. Sources: GeoNames (CC BY 4.0), GHSL UCDB R2024A (CC BY 4.0), Thomas Brinkhoff: Major Agglomerations of the World, citypopulation.de, Statistics Norway (SSB), table 04859 and settlement outlines (CC BY 4.0), Wikidata names (CC0).

On the map

Map of Largest city of each country, 179 cities: each one marked on the globe

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