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Portein

former municipality of Switzerland in Graubünden

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 15, 2026
Entity authorityQ659899
Source-derived summary

Portein (Romansh: Purtagn) was a municipality in the district of Hinterrhein in the Swiss canton of Graubünden. On 1 January 2010 the municipalities of Portein, Präz, Sarn and Tartar merged into the municipality of Cazis.

Coat of Arms

In Silver (white) an upright, red armed black bear carrying a gold tree trunk. This golden tree trunk carrying bear is attributed to Saint Gall, the patron saint of the Reformed Portein village church.

History

Portein is first mentioned in 1378 as Purteyn.

Geography

Portein has an area, as of 2006, of 3.4 km2 (1.3 sq mi). Of this area, 58.8% is used for agricultural purposes, while 31% is forested. Of the rest of the land, 2% is settled (buildings or roads) and the remainder (8.2%) is non-productive (rivers, glaciers or mountains).

The municipality is located in the Thusis sub-district, of the Hinterrhein district in the Heinzenberg. It is located on a ridge between the Porteiner Tobel and the Val da la Malanotg at an altitude of 1,178 m (3,865 ft).

Editorial summary

Begin with the source’s own compact description: “Portein” is former municipality of Switzerland in Graubünden. The dossier treats that line as a proposition to test through Portein, former and municipality, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2010, 1378, 2006—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Portein, former and municipality is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “former municipality of Switzerland in Graubünden” 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.

Evidence profile

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 15, 2026. The linked authority identifier is Q659899. VIAF identifies the subject as 315523782. Authority coordinates are 46.716, 9.400. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2010, 1378 and 2006.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Portein”, its source revision and the description used here.
  2. Expand the search: follow Portein primary sources, Portein archive and Portein research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Portein”?
  2. Which cited source is closest to the event, object or claim?
  3. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from Portein” 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.