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
Trondheim oldest theatre still in use in Scandinavia. The city also features an alternative theatre house Teaterhuset Avant Garden, and the theatre company Teater Fusentast. Trondheim has a broad music scene, and is known for its strong communities committed to rock, jazz and classical music. The city's interest in Jazz and classical music are spearheaded by the music conservatory at NTNU which has been called one of the most innovative in the world, and the municipal music school, "Trondheim Kommunale Musikk- og Kulturskole". The Trondheim Symphony Orchestra and the Trondheim Soloists are well-known. The city also hosts a yearly Jazz festival,