Castelo de Castro Marim
E348659
Castelo de Castro Marim is a historic medieval fortress in the Algarve region of southern Portugal, overlooking the Guadiana River near the Spanish border.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Castelo de Castro Marim canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3298309 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Castelo de Castro Marim Context triple: [Castro Marim Castle, hasNameInPortuguese, Castelo de Castro Marim]
-
A.
Castelo de Vide
Castelo de Vide is a historic hilltop town in Portugal’s Alentejo region, known for its well-preserved medieval castle and Jewish quarter.
-
B.
São Jorge Castle
São Jorge Castle is a historic Moorish-era fortress and popular viewpoint overlooking central Lisbon and the Tagus River.
-
C.
Fortress of Sagres
The Fortress of Sagres is a historic coastal stronghold in Portugal’s Algarve region, long associated with maritime exploration and the legacy of Prince Henry the Navigator.
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D.
Silves Castle
Silves Castle is a well-preserved medieval Moorish fortress in the town of Silves in Portugal’s Algarve region, known for its red sandstone walls and historical significance.
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E.
Castelo de Tavira
Castelo de Tavira is a historic medieval castle in the town of Tavira in Portugal’s Algarve region, known for its preserved walls, towers, and panoramic views over the city.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Castelo de Castro Marim Target entity description: Castelo de Castro Marim is a historic medieval fortress in the Algarve region of southern Portugal, overlooking the Guadiana River near the Spanish border.
-
A.
Castelo de Vide
Castelo de Vide is a historic hilltop town in Portugal’s Alentejo region, known for its well-preserved medieval castle and Jewish quarter.
-
B.
São Jorge Castle
São Jorge Castle is a historic Moorish-era fortress and popular viewpoint overlooking central Lisbon and the Tagus River.
-
C.
Fortress of Sagres
The Fortress of Sagres is a historic coastal stronghold in Portugal’s Algarve region, long associated with maritime exploration and the legacy of Prince Henry the Navigator.
-
D.
Silves Castle
Silves Castle is a well-preserved medieval Moorish fortress in the town of Silves in Portugal’s Algarve region, known for its red sandstone walls and historical significance.
-
E.
Castelo de Tavira
Castelo de Tavira is a historic medieval castle in the town of Tavira in Portugal’s Algarve region, known for its preserved walls, towers, and panoramic views over the city.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
castle
ⓘ
cultural heritage site ⓘ medieval fortress ⓘ |
| architecturalStyle | medieval military architecture ⓘ |
| builtDuring |
reign of King Afonso III of Portugal
ⓘ
reign of King Dinis of Portugal ⓘ |
| category |
Castles in Portugal
ⓘ
Castles in the Algarve ⓘ National monuments in Faro District ⓘ |
| country | Portugal ⓘ |
| currentUse |
historical monument
ⓘ
tourist attraction ⓘ |
| elevationAboveSeaLevel | approximately 20–30 metres ⓘ |
| hasConstructionStartDate | 13th century ⓘ |
| hasEvent | Castro Marim Medieval Fair ⓘ |
| hasNearbyStructure | Forte de São Sebastião de Castro Marim ⓘ |
| hasPart |
defensive walls
ⓘ
gates ⓘ inner courtyard ⓘ keep ⓘ towers ⓘ |
| hasViewOf |
Castro Marim village
ⓘ
linked to:
Castro Marim
Guadiana River ⓘ Spanish town of Ayamonte (distantly) ⓘ |
| heritageDesignation | Imóvel de Interesse Público ⓘ |
| heritageDesignationCountry | Portugal ⓘ |
| locatedIn |
Algarve
ⓘ
Castro Marim ⓘ Faro District ⓘ southern Portugal ⓘ |
| locatedInProtectedArea | Castro Marim and Vila Real de Santo António Marsh Natural Reserve (vicinity) ⓘ |
| locatedOn | hilltop ⓘ |
| managedBy |
Direção-Geral do Património Cultural (Portugal)
ⓘ
linked to:
Direção-Geral do Património Cultural
|
| materialUsed |
masonry
ⓘ
stone ⓘ |
| near |
Spanish border
ⓘ
Vila Real de Santo António ⓘ |
| openToPublic | yes ⓘ |
| overlooks | Guadiana River ⓘ |
| owner |
Portuguese State
ⓘ
linked to:
Portuguese state
|
| partOf |
Castro Marim village
ⓘ
linked to:
Castro Marim
|
| region | Iberian Peninsula ⓘ |
| strategicImportance |
control of navigation on the Guadiana River
ⓘ
defense of Portuguese–Castilian border ⓘ |
| usedFor |
border control
ⓘ
military defense ⓘ surveillance of Guadiana River ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Castelo de Castro Marim Description of subject: Castelo de Castro Marim is a historic medieval fortress in the Algarve region of southern Portugal, overlooking the Guadiana River near the Spanish border.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.