Chusansŏng
fortress/castle in Korea
Chusansŏng (Korean: 주산성; Hanja: 主山城; RR: Jusanseong) was a Gaya-era Korean fortress in what is now Goryeong County, North Gyeongsang Province, South Korea. It also went by the name Isansŏng (이산성; 耳山城; Isanseong) On January 21, 1963, it was made Historic Site of South Korea No. 61.
It was built on the mountain Jusan. Relics that were characteristic of Gaya culture of the 5th to 6th centuries have been found at the site. It had two sets of walls. The inner walls were in a long oval shape. Both sets are mostly collapsed.
This brief starts where responsible research should: with the source description of “Chusansŏng” as fortress/castle in Korea. 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 fortress/castle in Korea. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Feb 20, 2026. The linked authority identifier is Q16092252. Authority coordinates are 35.730, 128.254. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1963.
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 “Chusansŏng”, its source revision and the description used here.
- Expand the search: follow Chusansŏng primary sources, Chusansŏng archive and Chusansŏng 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 “Chusansŏng”?
- Which earlier names or jurisdictions may reveal additional records?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Chusansŏng” 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.