Alba Iulia Fortress
heritage site in Alba County, Romania
The Alba Carolina Citadel (Romanian: Cetatea Alba Carolina, Hungarian: Gyulafehérvári vár) is a star fortess located in the center of Alba Iulia, Romania. Its construction commenced on 4 November 1715, during the Habsburg rule in Transylvania, and was completed in 1738. 20,000 serfs were involved in its construction, which is estimated to have cost around 3 million florins. The citadel was built on the site of two other fortifications: the legionary fortress of Legio XIII Gemina (known as Apulum), as well as the medieval Belgrad citadel.
Restoration
The shape of the citadel, an iconic element of Vauban architecture, influenced the design of Alba Iulia's city logo when the city adopted city branding in 2014. The city received 47.5 million lei in 2009 for the restoration and conservation of the citadel.
Name
The citadel is named after Charles VI, known as Carol VI in Romanian, who was the Holy Roman Emperor at the time of the citadel's construction.
The public source identifies “Alba Iulia Fortress” as heritage site in Alba County, Romania. This brief keeps that definition visible, then builds a research path around Alba, Iulia and Fortress.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Alba Iulia Fortress”, the useful work is to connect “heritage site in Alba County, Romania” to the records capable of establishing context and consequence.
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 Jul 19, 2026. The linked authority identifier is Q15629334. Authority coordinates are 46.067, 23.574. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1715, 1738, 2014 and 2009.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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.
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Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
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Questions for further research
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This entry incorporates text from “Alba Iulia Fortress” 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.