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São Paulo vs Athens

São Paulo is about 39× larger than Athens by administrative area. São Paulo (Brazil) covers 1,523 km² (588 mi²) with a population of 11.5 million, while Athens (Greece) covers 39 km² (15 mi²) with 643,452 residents.

Metric São Paulo Athens
Area 1,523 km² 39 km²
Area (mi²) 588 mi² 15 mi²
Population 11,451,999 643,452
Population density 7,519 /km² 16,499 /km²
Area ratioSão Paulo is ~39× larger by area than Athens.

Frequently asked questions

Is São Paulo bigger than Athens?

Yes — São Paulo is about 39× larger by area: 1,523 km² vs 39 km².

How big is São Paulo?

São Paulo, Brazil, covers about 1,523 km² (588 mi²) of administrative area.

How big is Athens?

Athens, Greece, covers about 39 km² (15 mi²) of administrative area.

Which city has more people, São Paulo or Athens?

São Paulo has the larger population: 11.5 million vs 643,452. Population density is about 7,519 people/km² in São Paulo and 16,499 people/km² in Athens.

City boundaries from OpenStreetMap. Last updated 2026-08-18.

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