Castles & palaces
Marienburg Castle
Castle near to Nordstemmen in the town of Pattensen, Region of Hannover, Lower Saxony, Germany
Wikipedia names Marienburg Castle 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 Marienburg Castle. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Hildesheim
Germany · 13 km east
City in Lower Saxony, Germany
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Towns & cities
Diekholzen
Germany · 14 km south-east
Municipality of Germany
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Towns & cities
Sibbesse
Germany · 16 km south-east
Municipality of Germany, district of Hildesheim, Lower Saxony
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Towns & cities
Hanover
Germany · 23 km north
Capital city of the German federated state of Lower Saxony
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Towns & cities
Bodenwerder
Germany · 29 km south-west
Town of Germany
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Landmarks & buildings
Hannover Airport
Germany · 33 km north
International airport serving Hanover, Germany