How Big Is Oslo?
Norway
Area
454 km²
175 mi²
Population
0.7M
Density
1,586/km²
Founded
1048
Those figures stop at the official city limits. Measured by continuous built-up land, Oslo's urban area covers 244 km² and has 889,573 people (2025). Source: GHSL Urban Centre Database R2024A, European Commission JRC (CC BY 4.0).
Oslo Size Overview
Oslo covers an area of 454 km² (175 mi²) in Norway. Capital and most populous city of Norway. The city is often called "Tigerstaden". To put this in perspective, Oslo is about 1.3x smaller than Seoul. In more relatable units, that's about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan.
Oslo is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 724,290 in 2025, while the city's greater urban area had a population of 1,110,887 in 2025, and the metropolitan area had an estimated population of 1,546,706 in 2021.
With a population of 0.7 million, Oslo has a population density of 1,586 people per km².
Oslo has a history stretching back to 1048. The city is renowned for Vigeland Park, Oslo Opera House, Akershus Fortress, and Holmenkollen Ski Jump.
Did You Know?
- Oslo is both a county and a municipality, with the city itself home to about 724,000 residents in 2025.
- Its greater metropolitan area extends to roughly 1.5 million people, anchoring southeastern Norway.
Cities Similar in Size to Oslo
Oslo covers 454 km². Cities with a similar urban footprint include Chennai (427 km²), Prague (496 km²), Vienna (415 km²), Montreal (498 km²), or Denver (401 km²).