Hai Bà Trưng district
Urban District of Hanoi

Hai Bà Trưng (Trưng Sisters District) is one of the four original urban districts (quận) of Hanoi, the capital city of Vietnam. The district currently has 18 wards, covering a total area of 10.26 square kilometres (3.96 sq mi). It is bordered by Long Biên district, Đống Đa district, Thanh Xuân district, Hoàng Mai district, Hoàn Kiếm district. As of 2019, there were 303,586 people residing in the district, the population density is 30,000 inhabitants per square kilometer.
Established as one of the first four central districts of the city, it is named after the two heroines in Vietnamese history: the Trưng Sisters. Some of Vietnam's largest universities are located here, including the Hanoi University of Technology, Hanoi National Economic University, and Hanoi University of Civil Engineering.
History
Historically, the area was part of various administrative divisions under the old Thọ Xương and Thanh Trì districts. Before 1961, the area comprised the neighborhoods of Bạch Mai, Hai Bà, Hàng Cỏ, and parts of the former suburban District VI. In 1961, it was officially established as Hai Bà Trưng District, becoming one of Hanoi's original four inner districts after the capital’s administrative reorganization.
Geography
Hai Bà Trưng District is located in the central eastern part of Hanoi. It borders:
Long Biên District across the Red River to the east,
Hoàn Kiếm District to the north,
Đống Đa and Thanh Xuân Districts to the west,
Hoàng Mai District to the south.
This brief starts where responsible research should: with the source description of “Hai Bà Trưng district” as urban District of Hanoi. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as urban District of Hanoi. Its deeper value depends on whether names, dates, institutions and citations support that framing.
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 Sep 21, 2026. The linked authority identifier is Q1134523. VIAF identifies the subject as 150431695. The Library of Congress control number is no2002020802. Authority coordinates are 21.012, 105.848. 3 of 4 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2019 and 1961.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. 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 “Hai Bà Trưng district”, its source revision and the description used here.
- Expand the search: follow Hai Bà Trưng district primary sources, Hai Bà Trưng district archive and Trưng 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 “Hai Bà Trưng district”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Hai Bà Trưng district” 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.