Trondheim
Sign in to saveTrondheim ( , ; ; ), historically Kaupangen, Nidaros, and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of January 1, 2026, it had a population of 218,460. Trondheim is the third most populous municipality in Norway, and is the fourth largest urban area. Trondheim lies on the south shore of Trondheim Fjord at the mouth of the River Nidelva. Among the significant technology-oriented institutions headquartered in Trondheim are the Norwegian University of Science and Technology (NTNU), the Foundation for Scientific and Industrial Research (SINTEF), the Geological Survey
AI overview
Trondheim is Norway's third most populous city, located in Trøndelag county on the south shore of Trondheim Fjord, with a population of over 218,000 as of 2026. It is significant as a major center for science and technology in Norway, home to major institutions including the Norwegian University of Science and Technology (NTNU) and the Foundation for Scientific and Industrial Research (SINTEF).
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Key facts
- Settlement.official_name
- Trondheim
- Settlement.native_name
- Tråante
- Settlement.native_name_lang
- Sma
- Settlement.settlement_type
- City
- Settlement.imagesize
- 260px
- Settlement.image_flag
- Flag of Trondheim.svg
- Settlement.image_shield
- Trondheim komm.svg
- Settlement.shield_size
- 120px
- Settlement.image_map
- NO 5001 Trondheim.svg
- Settlement.map_caption
- Location of the municipality
- Settlement.pushpin_map
- Trøndelag#Norway
- Settlement.nickname
- Stiftstaden(English: "The Diocese City")
Article
45 sectionsContents
- Names and etymology
- History
- Municipal history
- Coat of arms and seal
- Geography
- Climate
- Fauna
- Cityscape and sites
- Shopping
- Nidaros Cathedral
- Other churches
- Museums
- Prison
- Attractions
- Wider urban area
- Government
- Municipal council
- Education and research
- Media
- Culture
- Visual arts
- Stage
- Music
- Film
- Student culture
- In popular culture
- Sports and recreation
- Major sports teams
- Major championships hosted
- Transportation
- Bus
- Boats
- Rail transport
- Roads
- Twin towns – sister cities
- Business
- Notable people
- Public Service & public thinking
- Science, education, mathematics
- The Arts
- Sports
- See also
- References
- Further reading
- External links
Trondheim ( , ; ; ), historically Kaupangen, Nidaros, and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of January 1, 2026, it had a population of 218,460. Trondheim is the third most populous municipality in Norway, and is the fourth largest urban area. Trondheim lies on the south shore of Trondheim Fjord at the mouth of the River Nidelva. Among the significant technology-oriented institutions headquartered in Trondheim are the Norwegian University of Science and Technology (NTNU), the Foundation for Scientific and Industrial Research (SINTEF), the Geological Survey of Norway (NGU), and St. Olavs University Hospital.
The settlement was founded in 997 as a trading post and served as the capital of Norway through the Viking Age until 1217. From 1152 to 1537, the city was the seat of the Catholic Archdiocese of Nidaros; it then became, and has remained, the seat of the Lutheran Diocese of Nidaros and the site of the Nidaros Cathedral. The city was incorporated in 1838. The current municipality was formed in 1964, when Trondheim merged with Byneset Municipality, Leinstrand Municipality, Strinda Municipality, and Tiller Municipality, and further expanded on 1 January 2020, when Trondheim merged with Klæbu Municipality.