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Thanchi Upazila

Upazila of Bandarban District

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 14, 2026
Entity authorityQ3349108 ↗
Source-derived summary

Thanchi (Bengali: থানচি) is an upazila of Bandarban District in the Division of Chittagong, Bangladesh.

Geography

Thanchi is located at 21.7861°N 92.4278°E / 21.7861; 92.4278. It has 4,872 households and a total area of 1020.82 km2. Thanchi upazila is bordered by Ruma upazila and Rangamati district to the north, Lama and Alikadam upazilas to the west, Rakhine State of Myanmar to the south and Chin State of Myanmar to the east.

At the boundary with Ali Kadam Upazila, the 35-kilometre-long (22 mi) Alikadam-Thanchi Road ascends hill Dim Pahar, making it one of the highest motorable roads in Bangladesh.

Demographics

According to the 2022 Bangladeshi census, Thanchi Upazila had 6,296 households and a population of 29,790. 11.95% of the population were under 5 years of age. Thanchi had a literacy rate (age 7 and over) of 50.68%: 60.80% for males and 39.16% for females, and a sex ratio of 111.37 males for every 100 females. 10,253 (34.42%) lived in urban areas.

Ethnicity and religion

🟨Buddhist majority 🟦 Christian majority

As of the 2022 Bangladeshi census, Thanchi upazila had a population of 29,790.

Editorial summary

This brief starts where responsible research should: with the source description of “Thanchi Upazila” as upazila of Bandarban District. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA valuable geographic starting point for tracing changing names, boundaries, uses and administrative responsibility. The current lead gives the account dated anchors—1020, 2022—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Thanchi, Upazila and Bandarban can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the places & architecture register because the source frames it as upazila of Bandarban District. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q3349108. Authority coordinates are 21.786, 92.428. 2 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1020 and 2022.

Critical limits

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.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “Thanchi Upazila”, its source revision and the description used here.
  2. Expand the search: follow Thanchi Upazila primary sources, Thanchi Upazila archive and Thanchi 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 “Thanchi Upazila”?
  2. What physical evidence or contemporary plan supports the description?
  3. Which authority defined the place, boundary or structure at the relevant date?
Subject index

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Source & attribution

This entry incorporates text from “Thanchi Upazila” 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.