Bulacan
province of the Philippines
Bulacan, officially the Province of Bulacan (Tagalog: Lalawigan ng Bulacan), is a province in the Philippines located in the Central Luzon region. Its capital is the city of Malolos. Bulacan was established on August 15, 1578, and part of the Metro Luzon Urban Beltway Super Region. This province is a part of the Greater Manila Area.
It has 572 barangays in 20 municipalities and four component cities (Baliwag, Malolos the provincial capital, Meycauayan, and San Jose del Monte the largest city). Bulacan is located immediately north of Metro Manila. Bordering Bulacan are the provinces of Pampanga to the west, Nueva Ecija to the north, Aurora and Quezon to the east, and Metro Manila and Rizal to the south. Bulacan also lies on the north-eastern shore of Manila Bay.
In the 2024 census, Bulacan had a population of 3,876,806 people, the most populous in Central Luzon and the third most populous in the Philippines, after Cebu and Cavite. Bulacan's most populated city is San Jose del Monte, the most populated municipality is Santa Maria, while the least populated is Doña Remedios Trinidad yet the largest municipality in terms of area.
This brief starts where responsible research should: with the source description of “Bulacan” as province of the Philippines. 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 province of the Philippines. Its deeper value depends on whether names, dates, institutions and citations support that framing.
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 18, 2026. The linked authority identifier is Q13755. VIAF identifies the subject as 237493953. The Library of Congress control number is n83060728. Authority coordinates are 15.000, 121.083. 2 of 6 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1578 and 2024.
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 “Bulacan”, its source revision and the description used here.
- Expand the search: follow Bulacan primary sources, Bulacan archive and Bulacan 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 “Bulacan”?
- What physical evidence or contemporary plan supports the description?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Bulacan” 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.