Hải Hậu district
district in Red River Delta, Vietnam
Hải Hậu [ha̰ːj˧˩˧:hə̰ʔw˨˩] is a former rural district of Nam Định province in the Red River Delta region of Vietnam.
Geography
Hải Hậu is divided into 34 commune-level subdivisions.
3 townships : Cồn, Thịnh Long, Yên Định (capital).
31 communes : Hải An, Hải Anh, Hải Bắc, Hải Châu, Hải Chính, Hải Cường, Hải Đông, Hải Đường, Hải Giang, Hải Hà, Hải Hòa, Hải Hưng, Hải Lộc, Hải Long, Hải Lý, Hải Minh, Hải Nam, Hải Ninh, Hải Phong, Hải Phú, Hải Phúc, Hải Phương, Hải Quang, Hải Sơn, Hải Tân, Hải Tây, Hải Thanh, Hải Triều, Hải Trung, Hải Vân, Hải Xuân.
Topography
The district covers an area of 227 km2.
Population
As of 2003 the district had a population of 285,298.
“Hải Hậu district” enters the record as district in Red River Delta, Vietnam. Crown Archives preserves that source wording while asking what district, River and Delta can confirm, complicate or overturn.
Why this record matters
“Hải Hậu district” is worth following because a concise public description often conceals a longer documentary argument. Here, district, River and Delta provides the most credible route into that argument.
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 Jan 4, 2026. The linked authority identifier is Q5638933. Authority coordinates are 20.167, 106.250. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2003.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. 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 “Hải Hậu district”, its source revision and the description used here.
- Expand the search: follow Hải Hậu district primary sources, Hải Hậu district archive and district 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 “Hải Hậu district”?
- 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 “Hải Hậu 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.