Statements (31)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:castle | 
| gptkbp:architecturalStyle | 19th-century military architecture | 
| gptkbp:area | 100 hectares | 
| gptkbp:built | 1844 | 
| gptkbp:completedIn | 1856 | 
| gptkbp:controlledBy | gptkb:Germany gptkb:Poland gptkb:Prussia gptkb:Soviet_Union | 
| gptkbp:currentUse | gptkb:museum cultural events venue | 
| gptkbp:features | gptkb:United_States_Army gptkb:castle gptkb:hospital gptkb:water bastions gates | 
| gptkbp:locatedIn | gptkb:Poland gptkb:Giżycko | 
| gptkbp:namedAfter | gptkb:Hermann_von_Boyen | 
| gptkbp:nearby | gptkb:Lake_Kisajno gptkb:Lake_Niegocin | 
| gptkbp:openToPublic | yes | 
| gptkbp:purpose | defend the border between East Prussia and Russia | 
| gptkbp:touristAttraction | yes | 
| gptkbp:UNESCOStatus | not listed | 
| gptkbp:usedDuring | gptkb:World_War_I gptkb:World_War_II | 
| gptkbp:bfsParent | gptkb:Masurian_Lakes,_East_Prussia | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | Boyen Fortress |