Adda-Douéni
town in Anjouan, Comoros

Adda-Douéni is a small town on the island of Anjouan in the Comoros. According to the 1991 census the town had a population of 6,171. The current estimate for 2009 is 10,858 people.
The public source identifies “Adda-Douéni” as town in Anjouan, Comoros. This brief keeps that definition visible, then builds a research path around Adda-Douéni, town and Anjouan.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Adda-Douéni”, the useful work is to connect “town in Anjouan, Comoros” to the records capable of establishing context and consequence.
Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Jul 4, 2026. The linked authority identifier is Q2824136. Authority coordinates are -12.300, 44.500. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1991 and 2009.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Adda-Douéni”, its source revision and the description used here.
- Expand the search: follow Adda-Douéni primary sources, Adda-Douéni archive and Adda-Douéni research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Adda-Douéni”?
- Which authority defined the place, boundary or structure at the relevant date?
- Which earlier names or jurisdictions may reveal additional records?
Search terms from this dossier
This entry incorporates text from “Adda-Douéni” 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.