Trondheim, historically known as Kaupangen, Nidaros and Trondhjem, is a city and municipality in Trondelag county, Norway, lying on the south shore of Trondheim Fjord at the mouth of the Nidelva. As of 1 January 2026 it had a population of 218,460, making it the third most populous municipality in Norway and the fourth largest urban area. Among the significant technology-oriented institutions headquartered in Trondheim are the Norwegian University of Science and Technology, the Foundation for Scientific and Industrial Research, the Geological Survey of Norway and St. Olavs University Hospital.
Facts
Area (sq km) Founding Year Population Estimate Year Elevation Band Climate Zone In the Other Atlases
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Sources
1. Trondheim, Wikipedia
Introduction, population
As of 1 January 2026, it had a population of 218,460.
Introduction, population date
As of 1 January 2026, it had a population of 218,460.
Infobox, Area
City 321.81 km2 (124.25 sq mi)
Names and etymology, founding
The city was established in 997 by Olav Tryggvason
Infobox, Coordinates latitude
63°25′47″N 10°23′36″E / 63.42972°N 10.39333°E
Infobox, Coordinates longitude
63°25′47″N 10°23′36″E / 63.42972°N 10.39333°E
- In Group: Cities of Northern Europe (World), Wikipedia; part-of country and UN M49 subregion
View the Source2. GeoNames: Trondheim - GeoNames
GeoNamescities500 record 3133880
63.43049 10.39506 P PPL NO 21 5001 216518 18 Europe/Oslo
Place record, elevation
Elevation ca. 18 m
View the Source 3. Koeppen-Geiger map (Kottek et al., University of Veterinary Medicine Vienna): World Map of the Koeppen-Geiger Climate Classification, present climate data
Koeppen-Geiger map (Kottek et al., University of Veterinary Medicine Vienna)Koeppen-Geiger-ASCII.txt grid cell 63.25, 10.25Quote, Koeppen-Geiger-ASCII.txt grid cell 63.25, 10.25
63.25 10.25 Dfc
View the Source Wikidata: Trondheim
Wikidata Q25804, class allow-list match verified against P17/real-world identity (w-geo-qidcite-0926).View the Source Reader Challenges (0)
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