GeotchaA geography quiz on a real globe

18 largest cities in the Colorado (Argentina) basin

18 cities, each one drawn on a satellite globe. Name it when it lights up, find it when you are given its name, 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. 1Mendoza1.2 M
  2. 2San Juan529 k
  3. 3San Luis207 k
  4. 4San Rafael118 k
  5. 5San Martín83 k
  6. 6Catriel48 k
  7. 7Pocito41 k
  8. 8Tunuyán38 k
  9. 9General Alvear36 k
  10. 10Rivadavia35 k
  11. 11Caucete32 k
  12. 12Villa General San Martín30 k
  13. 13Malargüe27 k
  14. 14Albardón20 k
  15. 15Perdriel19 k
  16. 16Rodeo del Medio19 k
  17. 17Tupungato17 k
  18. 18Río Colorado16 k

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; below that, a city ranks by its agglomeration in the United Nations’ World Urbanization Prospects 2018 (every one of 300,000 or more, from national censuses), and a smaller city by its city-proper figure. A city inside another city’s metro area (Giza in Cairo’s, Pretoria in Johannesburg’s) is not ranked on its own. The Colorado (Argentina) basin: what lies inside the river basin’s outline, by each item’s point (a lake’s centre, a river’s mouth, a summit). Sources: GeoNames (CC BY 4.0), GHSL UCDB R2024A (CC BY 4.0), Thomas Brinkhoff: Major Agglomerations of the World, citypopulation.de, United Nations, DESA, Population Division: World Urbanization Prospects 2018 (CC BY 3.0 IGO), Wikidata names (CC0).

On the map

Map of 18 largest cities in the Colorado (Argentina) basin, 18 cities: each one marked on the globe

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