Suomenlinna sea fortress

E86657

UNESCO World Heritage Site cultural heritage site maritime fortification sea fortress

Suomenlinna sea fortress is a historic 18th-century maritime fortification built on a group of islands off Helsinki, Finland, and recognized as a UNESCO World Heritage Site.

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All labels observed (14)

Label	Occurrences
Suomenlinna	19
Suomenlinna sea fortress canonical	9
Suomenlinna Sea Fortress	3
Sveaborg fortress	3
UNESCO World Heritage Site Suomenlinna	2
Russian fortress of Sveaborg	1
Suomenlinna Museum	1
Suomenlinna UNESCO World Heritage Site	1
Suomenlinna coastal fortress	1
Suomenlinna waterfront areas	1
Sveaborg	1
Sveaborg fortress complex	1
Sveaborg sea fortress	1
monuments at Suomenlinna	1

How this entity was disambiguated

This entity first appeared as the object of triple T708937 — 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: Suomenlinna sea fortress
Context triple: [Helsinki, hasLandmark, Suomenlinna sea fortress]

A. Fredriksten fortress
Fredriksten fortress is a historic Norwegian stronghold in the town of Halden, best known for its role in defending Norway against Swedish invasions in the 17th and 18th centuries.
B. Akershus Fortress
Akershus Fortress is a historic medieval castle and former royal residence that has served as a key military stronghold and national symbol in Norway’s capital.
C. Government Palace, Helsinki
The Government Palace in Helsinki is a prominent neoclassical building on Senate Square that serves as the main seat of Finland’s central government offices.
D. Vasa Museum
The Vasa Museum is a maritime museum in Stockholm, Sweden, built around the remarkably well-preserved 17th-century warship Vasa that sank on its maiden voyage.
E. Hel Fortress
Hel Fortress was a key Polish coastal stronghold on the Hel Peninsula that served as a major defensive position during the early fighting of World War II.
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: Suomenlinna sea fortress
Target entity description: Suomenlinna sea fortress is a historic 18th-century maritime fortification built on a group of islands off Helsinki, Finland, and recognized as a UNESCO World Heritage Site.

A. Fredriksten fortress
Fredriksten fortress is a historic Norwegian stronghold in the town of Halden, best known for its role in defending Norway against Swedish invasions in the 17th and 18th centuries.
B. Akershus Fortress
Akershus Fortress is a historic medieval castle and former royal residence that has served as a key military stronghold and national symbol in Norway’s capital.
C. Government Palace, Helsinki
The Government Palace in Helsinki is a prominent neoclassical building on Senate Square that serves as the main seat of Finland’s central government offices.
D. Vasa Museum
The Vasa Museum is a maritime museum in Stockholm, Sweden, built around the remarkably well-preserved 17th-century warship Vasa that sank on its maiden voyage.
E. Hel Fortress
Hel Fortress was a key Polish coastal stronghold on the Hel Peninsula that served as a major defensive position during the early fighting of World War II.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	UNESCO World Heritage Site ⓘ cultural heritage site ⓘ maritime fortification ⓘ sea fortress ⓘ
alsoKnownAs	Sveaborg fortress ⓘ linked to: Suomenlinna sea fortress Viapori ⓘ
architect	Augustin Ehrensvärd ⓘ
builtBy	Kingdom of Sweden ⓘ
builtInCentury	18th century ⓘ
constructionStart	1748 ⓘ
continent	Europe ⓘ
country	Finland ⓘ
currentUse	museum area ⓘ residential area ⓘ tourist attraction ⓘ
governingBody	Governing Body of Suomenlinna ⓘ
hasFeature	bastion fortifications ⓘ casemates ⓘ dry dock ⓘ ramparts and walls ⓘ underground tunnels ⓘ
hasMuseum	Military Museum of Finland (Suomenlinna locations) ⓘ linked to: Finnish war museums Submarine Vesikko ⓘ Suomenlinna Museum ⓘ linked to: Suomenlinna sea fortress
heritageCriteria	UNESCO cultural criteria (iv) ⓘ
heritageDesignation	UNESCO World Heritage Site ⓘ
heritageSiteSince	1991 ⓘ
inception	1748 ⓘ
laterControlledBy	Grand Duchy of Finland ⓘ Republic of Finland ⓘ linked to: Finland Russian Empire ⓘ
locatedIn	Helsinki ⓘ
locatedInArchipelago	Helsinki archipelago ⓘ linked to: Suomenlinna islands
locatedInBodyOfWater	Gulf of Finland ⓘ
locatedOn	Suomenlinna islands ⓘ group of islands ⓘ
militaryBranch	Swedish Navy ⓘ
namedAfter	Finland (Suomi) ⓘ linked to: Finland
originalName	Sveaborg ⓘ linked to: Suomenlinna sea fortress
partOf	Finnish national landscapes ⓘ defence system of the Kingdom of Sweden ⓘ
reachableBy	ferry ⓘ
reachableFrom	Helsinki Market Square ⓘ linked to: Market Square, Helsinki
significantEvent	Siege of Sveaborg (1808) ⓘ
UNESCORegion	Europe and North America ⓘ
UNESCOSiteId	583 ⓘ
usedFor	coastal defence ⓘ garrison ⓘ naval base ⓘ
visitorCount	over 1,000,000 visitors per year ⓘ

How these facts were elicited

Referenced by (45)

Full triples — surface form annotated when it differs from this entity's canonical label.

Helsinki → hasLandmark → Suomenlinna sea fortress ⓘ

Suomenlinna → originalName → Sveaborg ⓘ

subject linked to: Suomenlinna sea fortress