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Coordinates: 63°10′N 10°20′E / 63.167°N 10.333°E / 63.167; 10.333
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Sør-Trøndelag County
Sør-Trøndelag fylke
Isle Bruholmen with parts of Austrått and Rusaset by the mid-2000s
Isle Bruholmen with parts of Austrått and Rusaset by the mid-2000s
Sør-Trøndelag within Norway
Sør-Trøndelag within Norway
Sør-Trøndelag County is located in Sør-Trøndelag
Sør-Trøndelag County
Sør-Trøndelag County
Sør-Trøndelag County is located in Norway
Sør-Trøndelag County
Sør-Trøndelag County
Coordinates: 63°10′N 10°20′E / 63.167°N 10.333°E / 63.167; 10.333
 • Preceded byTrondheims amt
Disestablished1 Jan 2018
 • Succeeded byTrøndelag county
Administrative centreTrondheim
 • BodySør-Trøndelag County Municipality
 • Governor (2015-2017)Brit Skjelbred
 • County mayorTore O. Sandvik (Ap)
 (upon dissolution)
 • Total18,848 km2 (7,277 sq mi)
 • Land17,830 km2 (6,880 sq mi)
 • Water1,018 km2 (393 sq mi)  5.4%
 • Total317,363
 • Rank#5 in Norway
 • Density15/km2 (40/sq mi)
 • Change (10 years)
Increase +5.8%
Official language
 • Norwegian formNeutral
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
ISO 3166 codeNO-16[3]
Income (per capita)139,200 kr (2001)
GDP (per capita)243,281 kr (2001)
GDP national rank#5 in Norway
(4.23% of country)

Sør-Trøndelag (Urban East Norwegian: [ˈsø̂ːˌtrœndəlɑːɡ] ; "South Trøndelag") was a county comprising the southern portion of the present-day Trøndelag county in Norway. It bordered the old Nord-Trøndelag ("North Trøndelag") county as well as the counties of Møre og Romsdal, Oppland, and Hedmark. To the west is the Norwegian Sea (Atlantic Ocean), and to the east is Jämtland in Sweden. The county was separated into a northern and southern part by the Trondheimsfjord. Slightly over 200,000 of the county's population (or around 55%) lives in the city of Trondheim and its suburbs.[4] The Norwegian dialect of the region is Trøndersk.

The region was divided into two administrative counties in 1804. In 2016, the two county councils voted to merge into a single county on 1 January 2018.[5]


Historical population
Source: SSB.no, Statistics Norway.[6]

The name Sør-Trøndelag was created in 1919. It means '(the) southern (part of) Trøndelag'.

Until 1919, the name of the county was Søndre Trondhjems amt. The meaning of this name was '(the) southern (part of) Trondhjems amt'. (The old Trondhjems amt, created in 1662, was divided in 1804. Trondhjem is the old form of Trondheim.)

See also Nord-Trøndelag

Coat of arms


The coat of arms was from modern times (1983) - but it had old roots: it was the seal of Gaute Ivarsson [no], archbishop of Trondheim 1475–1510.



Sør-Trøndelag consisted of 25 municipalities and had a total area of 18,848 square kilometres (7,277 sq mi). Trondheim is the largest city and the county's administrative center.

The broad and long Trondheimsfjord is at the center of this county, although the coastal areas stretch somewhat further north. The mountain ranges Dovrefjell and Trollheimen are located in the south, while the Fosen peninsula is located north of the fjord. The highest mountain is the 1,985-metre (6,512 ft) tall Storskrymten, which is located in the county border between Møre og Romsdal, Oppland, and Trøndelag. Its longest river is Orkla which runs through Trøndelag and the old county of Hedmark which is now part of Innlandet county.

Several of the best salmon rivers in Europe are located in the county, the largest and most famous being Gaula and Orkla. Dovrefjell–Sunndalsfjella National Park, Forollhogna National Park, Skarvan and Roltdalen National Park and Femundsmarka National Park are located, or partly located, in the county.[7]



People have lived in this region for thousands of years (see Rock carvings in Central Norway, Nøstvet and Lihult cultures and Corded Ware culture). The fertile lowland bordering the Trondheimsfjord was probably the most important power centre in the Viking Age. Oretinget was an assembly hall located alongside the Nid River in Trondheim that served as the coronation place for Viking kings such as Harald Fairhair (865 to 933 AD) and his son Haakon I the Good. Nidaros (the former name of Trondheim) served as Norway's capital during the Viking era up until the early part of the 13th century.

Trondheim was the seat of the archbishop for several centuries, and an important pilgrimage destination following the death of St Olav in 1030.

Røros, in the southeastern part of the county, is a well-preserved mining town on a mountain plateau, and is a Unesco World Heritage Site.



Mining in Røros and Løkken in Meldal lasted for about 300 years, and Thamshavnbanen, the old electric railway from Orkdal to Løkken, is still usable. The constant fires used to crack the rock in the mines demanded vast amounts of firewood; the montane forests on the mountain plateau near Røros still have not fully recovered. Along the coast, fishing has always been important. Farming was and still is important in the whole county, with the most economical important agriculture taking place in the fertile lowland valleys, such as in Melhus, Orkdal, Skaun, Midtre Gauldal, Malvik and Trondheim, but also near the outer seaboard, such as in Ørland and Rissa. The city of Trondheim has always been at the centre of this area, with administrative functions, as well as industry based on agricultural produce, and more recently education, high-tech business and healthcare.



Sør-Trøndelag is connected to the other counties by the European Route 6 (E6) which passes by Trondheim and connects Oslo in the south and runs north along the coast and terminates just east of Kirkenes in Finnmark. European route E39 connects Sør-Trøndelag to Møre og Romsdal.

There are two airports in Sør-Trøndelag: Røros airport and Ørland airport. Trondheim's airport, Værnes, is actually located in Stjørdal in Nord-Trøndelag.

There are local trains that connect several municipalities; there are also trains that connect Trondheim to Oslo, Bodø, Røros, and Steinkjer in Norway, as well as Storlien in Sweden.[8][9]

Hurtigruten's coastal liner has daily, early- to mid-morning stops in Trondheim on both north- and south-bound trips.[10] There are also frequent commuter boats that connect smaller communities including some that connect Trondheim to Vanviken as well as other ports of call including: Brekstad; Kjørsvikbugen; Volden, Hitra; and Kristiansund.[11][12]

Additionally, during the summer months larger cruise ships stop in Trondheim.



The weather is very much decided by the direction of the wind; southerlies and easterlies bring sunny weather, while westerlies bring precipitation with mild weather in winter and cool rainy weather in summer. Northwesterlies bring the worst weather with snow in winter (often sleet or rain on the coast). Average yearly precipitation varies from 2,000 mm in some areas of Fosen, to 850 mm in Trondheim and only 500 mm in Oppdal. The interior areas at somewhat higher elevations have cold winters with reliable snow cover, while the coastal areas have a maritime climate with mild and more windy winters. Sula in Frøya municipality has an average of 1.5 °C (34 °F) in the coldest month.[13] Røros, at an altitude of 628 m (2,000 ft), has a January average of -11.2 °C (12 °F;[13] Summer temperatures do not differ that much; sheltered lowlands a bit inland will have the warmest summers. Base period 1961-1990.



Religion in Sør-Trøndelag[14][15]
religion percent
Rank Name Inhabitants[16] Area km2
1 Trondheim kommune Trondheim 176,008 324
2 Melhus kommune Melhus 14,841 660
3 Malvik kommune Malvik 12,550 162
4 Orkdal kommune Orkdal 11,276 567
5 Skaun kommune Skaun 6,626 213
6 Oppdal kommune Oppdal 6,603 2,207
7 Rissa kommune Rissa 6,442 590
8 Midtre Gauldal kommune Midtre Gauldal 6,012 1,817
9 Klæbu kommune Klæbu 5,801 177
10 Røros kommune Røros 5,576 1,764
11 Ørland kommune Ørland 5,121 73
12 Bjugn kommune Bjugn 4,548 356
13 Frøya kommune Frøya 4,314 230
14 Hitra kommune Hitra 4,256 646
15 Hemne kommune Hemne 4,207 638
16 Selbu kommune Selbu 4,004 1,147
17 Meldal kommune Meldal 3,929 597
18 Åfjord kommune Åfjord 3,220 900
19 Rennebu kommune Rennebu 2,622 929
20 Holtålen kommune Holtålen 2,064 1,177
21 Agdenes kommune Agdenes 1,719 297
22 Osen kommune Osen 1,033 371
23 Roan kommune Roan 999 357
24 Snillfjord kommune Snillfjord 998 490
25 Tydal kommune Tydal 859 1,221
Total Sør-Trøndelag fylke Sør-Trøndelag 290,547 18,848


  1. ^ "Navn på steder og personer: Innbyggjarnamn" (in Norwegian). Språkrådet.
  2. ^ "Forskrift om målvedtak i kommunar og fylkeskommunar" (in Norwegian). Lovdata.no.
  3. ^ Bolstad, Erik; Thorsnæs, Geir, eds. (2023-01-26). "Kommunenummer". Store norske leksikon (in Norwegian). Kunnskapsforlaget.
  4. ^ "History Trøndelag". Archived from the original on 2 January 2018. Retrieved 21 May 2015.
  5. ^ Hofstad, Sigrun. 2016. Her bankes det for et samlet Trøndelag. NRK (April 27).
  6. ^ "Projected population - Statistics Norway". Statbank.ssb.no. Archived from the original on 2013-10-23. Retrieved 2013-07-01.
  7. ^ Haugan, Trygve B., ed. (1940). Det Nordlige Norge Fra Trondheim Til Midnattssolens Land (in Norwegian). Trondheim: Reisetrafikkforeningen for Trondheim og Trøndelag.
  8. ^ "Trønderbanen – Lokaltog i Trondheim og Trøndelag". NSB. Retrieved 20 May 2015.
  9. ^ "Transport". City of Trondheim. Archived from the original on 21 May 2015. Retrieved 20 May 2015.
  10. ^ "Hurtigruten Havner". Hurtigruten. Archived from the original on 24 September 2015. Retrieved 20 May 2015.
  11. ^ "Trondheim - Brekstad - Kristiansund". Fosen Namsos Sjø. 19 February 2014. Retrieved 20 May 2015.
  12. ^ Ham, Anthony; Roddis, Miles; Lundgren, Kari (2008). Norway. Lonely Planet. p. 285. ISBN 978-1741045796.
  13. ^ a b MET.no[permanent dead link], kommuner Temperaturnormaler/Nedbørnormaler for Frøya i perioden 1961 - 1990 (in Norwegian)
  14. ^ "Statistics Norway - Church of Norway". Statbank.ssb.no. Archived from the original on 2012-07-16. Retrieved 2013-07-01.
  15. ^ Statistics Norway - Members of religious and life stance communities outside the Church of Norway, by religion/life stance. County. 2006-2010 Archived June 29, 2011, at the Wayback Machine
  16. ^ Statistics Norway (1 January 2010). "www.ssb.no".