Seoul vs Barcelona
Seoul is about 6.0× larger than Barcelona by administrative area. Seoul (South Korea) covers 605 km² (234 mi²) with a population of 9.7 million, while Barcelona (Spain) covers 101 km² (39 mi²) with 1.7 million residents.
| Metric | Seoul | Barcelona |
|---|---|---|
| Area | 605 km² | 101 km² |
| Area (mi²) | 234 mi² | 39 mi² |
| Population | 9,668,465 | 1,686,208 |
| Population density | 15,974 /km² | 16,629 /km² |
| Area ratio | Seoul is ~6.0× larger by area than Barcelona. | |
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Both outlines are drawn at the same scale.
Frequently asked questions
Is Seoul bigger than Barcelona?
Yes — Seoul is about 6.0× larger by area: 605 km² vs 101 km².
How big is Seoul?
Seoul, South Korea, covers about 605 km² (234 mi²) of administrative area.
How big is Barcelona?
Barcelona, Spain, covers about 101 km² (39 mi²) of administrative area.
Which city has more people, Seoul or Barcelona?
Seoul has the larger population: 9.7 million vs 1.7 million. Population density is about 15,974 people/km² in Seoul and 16,629 people/km² in Barcelona.
City boundaries from OpenStreetMap. Last updated 2026-10-18.
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