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 In the Other Atlases
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
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