Seoul vs Athens
Seoul is about 16× larger than Athens by administrative area. Seoul (South Korea) covers 605 km² (234 mi²) with a population of 9.7 million, while Athens (Greece) covers 39 km² (15 mi²) with 643,452 residents.
| Metric | Seoul | Athens |
|---|---|---|
| Area | 605 km² | 39 km² |
| Area (mi²) | 234 mi² | 15 mi² |
| Population | 9,668,465 | 643,452 |
| Population density | 15,974 /km² | 16,499 /km² |
| Area ratio | Seoul is ~16× larger by area than Athens. | |
Frequently asked questions
Is Seoul bigger than Athens?
Yes — Seoul is about 16× larger by area: 605 km² vs 39 km².
How big is Seoul?
Seoul, South Korea, covers about 605 km² (234 mi²) of administrative area.
How big is Athens?
Athens, Greece, covers about 39 km² (15 mi²) of administrative area.
Which city has more people, Seoul or Athens?
Seoul has the larger population: 9.7 million vs 643,452. Population density is about 15,974 people/km² in Seoul and 16,499 people/km² in Athens.
City boundaries from OpenStreetMap. Last updated 2026-08-18.
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