Cantabrian Sea
sea in the southern Bay of Biscay of the North Atlantic Ocean
The Cantabrian Sea is the term used mostly in Spain to describe the coastal sea of the Atlantic Ocean that borders the northern coast of Spain and the southwest side of the Atlantic coast of France, included in the Bay of Biscay. It extends from Cabo Ortegal in the province of A Coruña, to the mouth of the river Adour, near the city of Bayonne on the coast of the department of Pyrénées-Atlantiques in French Basque Country. The Cantabrian Sea contains the Avilés Canyons System.
The sea borders 800 km (500 mi) of coastline shared by the Spanish provinces of A Coruña, Lugo, Asturias, Cantabria, Biscay and Gipuzkoa, and the French area of Labourd.
The public source identifies “Cantabrian Sea” as sea in the southern Bay of Biscay of the North Atlantic Ocean. This brief keeps that definition visible, then builds a research path around Cantabrian, southern and Biscay.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Cantabrian Sea”, the useful work is to connect “sea in the southern Bay of Biscay of the North Atlantic Ocean” to the records capable of establishing context and consequence.
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 Jul 25, 2026. The linked authority identifier is Q2090594. Authority coordinates are 44.032, -4.351. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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 “Cantabrian Sea”, its source revision and the description used here.
- Expand the search: follow Cantabrian Sea primary sources, Cantabrian Sea archive and Cantabrian 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 “Cantabrian Sea”?
- What physical evidence or contemporary plan supports the description?
- Which earlier names or jurisdictions may reveal additional records?
Search terms from this dossier
This entry incorporates text from “Cantabrian Sea” 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.