Rissa Municipality
former municipality in Sør-Trøndelag, Norway
Rissa is a former municipality in the old Sør-Trøndelag county in Norway in the Fosen region. The municipality existed from 1860 until its dissolution on 1 January 2018 when it became part of the newly created Indre Fosen Municipality in Trøndelag county. The administrative centre of the municipality was the village of Årnset. Other villages in the municipality included Askjem, Hasselvika, Husbysjøen, Rørvika, Råkvåg, Sørfjorden, and Stadsbygd.
Prior to its dissolution in 2018, the 621-square-kilometre (240 sq mi) municipality was the 179th largest by area out of the then 426 municipalities in Norway. Rissa Municipality was the 158th most populous municipality in Norway with a population of 6,628. The municipality's population density was 11.3 inhabitants per square kilometre (29/sq mi) and its population had increased by 4.1% over the last decade.
General information
Municipal history
The former municipality of Rissen was established in 1860 when it was separated from the large Stadsbygd Municipality. Initially, Rissen Municipality had 3,733 residents. The spelling of the name was later changed to Rissa Municipality.
Begin with the source’s own compact description: “Rissa Municipality” is former municipality in Sør-Trøndelag, Norway. The dossier treats that line as a proposition to test through Rissa, Municipality and former, not as a finished interpretation.
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The phrase “former municipality in Sør-Trøndelag, Norway” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 20, 2026. The linked authority identifier is Q488157. VIAF identifies the subject as 154909822. The Library of Congress control number is n92006834. Authority coordinates are 63.656, 10.040. 4 of 6 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1860 and 2018.
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This entry incorporates text from “Rissa Municipality” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.