Trondheim Trondheim Trondheim (; historically Kaupangen, Nidaros and Trondhjem) is a city and municipality in Trøndelag county, Norway. It has a population of 193,501 (4th quarter 2017), and is the third-most populous municipality in Norway, although the fourth largest urban area. It is the third largest city in the country, with a population (2013) of 169,972 inhabitants within the city borders. Trondheim lies on the south shore of Trondheim Fjord at the mouth of the River Nidelva. The city is dominated by the Norwegian University of Science and Technology (NTNU), the Foundation for Scientific and Industrial Research (SINTEF), St. Olavs University
Coat of arms of Trondheim "The seal of the citizens of the city of Nidaros". The design of the shield in its present form was made by Haakon Thorsen. Most Norwegian municipalities have a banner of their respective coats of arms as a flag. The flag of Trondheim is instead a red field with the yellow "Trondheim rose". Coat of arms of Trondheim The coat of arms of Trondheim is based on the medieval seal of the city. The seal is probably from the 13th century, but its earliest preserved form is on a document from 1344. The coat of arms was assumed by the