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.

Economy In 2020 Oslo gross metropolitan product was €64.5 billion.

Statistics Municipality (Kommune)Inhabitants 2010Inhabitants 2011Inhabitants 1. January 2025RegionCountyOslo586 860599 230725 243OsloOsloGreater OsloLillestrøm73 33074 86995 978Inner sector northAkershusLørenskog32 73033 30850 447Nittedal20 93921 16525 988Rælingen15 59115 92020 628Enebakk10 17610 26211 537Inner sector southNesodden17 34817 51520 738Nordre Follo52 90557 68664 829Bærum111 213112 789132 578Inner sector westAurskog-Høland14 98215 31018 339Outer sector northEidsvoll20 68921 12828 426Gjerdrum5 8215 9907 457Hurdal2 6172 6193 049Lunner8 6008 6549 438Nannestad10 92711 12816 550Nes18 82719 04924 952Ullensaker29 08830 08145 305Asker82 56292 174100 584Outer sector westFrogn14 62214 81416 351Outer sector southIndre Østfold40 68641 10847 533Marker3 4713 4763 650Skiptvet3 5413 5763 932Vestby14 37314 70819 974Ås16 38616 73322 318Moss44 32344 69152 671Moss regionRåde6 8826 9467 873Våler4 4724 5736 176Drammen91 71992 993105 558Drammen regionLier23 26723 58028 687Øvre Eiker16 61616 98720 880Holmestrand21 43221 75427 073VestfoldTotal1 416 9951 442 3181 764 742

References

Sources of Norway 1. October - Retrieved from Statistics Norway Out of date!

See also Metropolitan regions of Norway Viken