Trondheim

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

former municipality in Trøndelag, Norway

Nidelva is a river in Trondheim in Trøndelag county, Norway. The name of the long river translates to "the River Nid" since the suffix elva is the Norwegian word for "the river".

Selbusjøen is the 17th largest lake in Norway. It is located in Trøndelag county, primarily in Selbu Municipality, although the western end of it lies in the neighboring Trondheim Municipality. The lake is the largest lake in the southern part of Trøndelag county. Selbusjøen is part of the Nea-Nidelv watershed, with the Nea River flowing into it on the eastern end and the Nidelva River flowing out the western end. The deepest part of the lake reaches below the surface. The villages of Selbustrand, Fossan, Tømra, Trøa, Innbygda, Mebonden, Vikvarvet, and Sjøbygda are located on the shores around

Tanem is a village in Trondheim Municipality in Trøndelag county, Norway. It is located between Nidelva river and Vassfjellet approximately west of the village of Klæbu which sits on the other side of the river.

Items symbolising Norwegian monarch's power and majesty

Nea-Nidelvvassdraget is a watercourse in Trøndelag county, Norway. It runs through Tydal Municipality, Selbu Municipality, and Trondheim Municipality. The total area of the watershed is and it runs for about from the source in the Sylan mountains to its mouth in Trondheimsfjorden. Trondheim Energiverk has fourteen power stations along the water course which are highly regulated, with a total production (in 2004) of . Development of the area had already begun in 1890 with the development of the Øvre Leirfoss power station.

settlement in Trondheim Municipality, Norway

pilgrim's path from Selånger, Sweden to Nidaros, Norway