Greater Oslo Region
| Greater Oslo Region Oslo-regionen | |
|---|---|
| Urban area | |
| Skyline of Oslo | |
| The Oslo region's levels - Oslo city, inner ring, middle ring and outer municipalities | |
| Country | Norway | 
| Largest city | Oslo | 
| Area | |
| • Metro | 8,894 km2 (3,434 sq mi) | 
| Population | |
| • Metro | 1,954,329 | 
| • Metro density | 219/km2 (570/sq mi) | 
| GDP | |
| • Metro | €132.716 billion (2021) | 
Greater Oslo Region ("Stor-Oslo-regionen" in Norwegian) is a statistical metropolitan region surrounding the Norwegian capital of Oslo, with a total number of inhabitants of 1,954,329 as of 1 January 2025.
The region includes the city proper of Oslo (population: 725,243), Akershus and Østfold county, parts of the county of Buskerud, as well as Holmestrand Municipality in the county of Vestfold.
There is also another definition of the Greater Oslo Region, which excludes the Moss and Drammen regions. This definition has 34 municipalities and had a population of 1,323,244 on 1 January 2015.