Castles & palaces
Warsaw Citadel
Part of Warsaw Fortress
Wikipedia names Warsaw Citadel as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Warsaw Citadel. Each title’s page links to the sentence that says so.
Filming locations nearby
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Castles & palaces Fort Legionów
Poland · under 1 km
Part of Warsaw Fortress, Poland
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Landmarks & buildings
St. Stanislaus Kostka Church
Poland · 1 km west
Warsaw-Żoliborz
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Streets & squares
Rajców Street
Poland · 1 km south-east
Street in Warsaw, Poland
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Landmarks & buildings
Westfield Arkadia
Poland · 1 km south-west
Polish shopping complex
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Towns & cities
Warsaw New Town
Poland · 1 km south
Warsaw neighbourhood in Masovian Voivodeship, Poland
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Streets & squares
New Town Market Place, Warsaw
Poland · 1 km south
Square in Warsaw