Towns & cities
Olsztyn
City in Warmian-Masurian Voivodeship, Poland
Wikipedia names Olsztyn as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.
6 places inside Olsztyn have a page of their own: listed below. Everything shot at them is already named above, recorded against Olsztyn as well.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Olsztyn. Each title’s page links to the sentence that says so.
Filming locations inside Olsztyn
6 places inside Olsztyn, each with a page of their own. Every production shot at them is already listed above, because Wikidata records them against Olsztyn too.
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Landmarks & buildings
1 Emilii Plater Street in Olsztyn
Poland
Building in Olsztyn, Poland
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Landmarks & buildings
Dajtki Airport
Poland
Airport in Olsztyn, Poland
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Towns & cities
Kortowo
Poland
Neighbourhood of the city of Olsztyn, Poland
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Streets & squares
Market Square in Olsztyn
Poland
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Landscapes & nature
Park Zamkowy in Olsztyn
Poland
Park in Olsztyn, Poland
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Streets & squares
Piłsudskiego Avenue, Olsztyn
Poland
Street in Olsztyn, Poland
Filming locations nearby
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Streets & squares
Market Square in Olsztyn
Poland · under 1 km
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Landmarks & buildings
1 Emilii Plater Street in Olsztyn
Poland · under 1 km
Building in Olsztyn, Poland
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Streets & squares
Piłsudskiego Avenue, Olsztyn
Poland · 1 km south-east
Street in Olsztyn, Poland
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Landscapes & nature
Park Zamkowy in Olsztyn
Poland · 1 km west
Park in Olsztyn, Poland
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Landscapes & nature Kortowskie
Poland · 4 km south-west
Lake in Poland
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Towns & cities
Kortowo
Poland · 4 km south-west
Neighbourhood of the city of Olsztyn, Poland