Landscapes & nature
Kiel Canal
Canal in the German state of Schleswig-Holstein
Wikipedia names Kiel Canal 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 Kiel Canal. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Wewelsfleth
Germany · 18 km east
Municipality of Germany
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Towns & cities
Glückstadt
Germany · 22 km south-east
Municipality of Germany
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Landmarks & buildings
Wacken Open Air
Germany · 22 km north-east
Open-air metal music festival in Germany
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Streets & squares
Steubenhöft
Germany · 28 km west
Jetty in Cuxhaven, Germany
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Towns & cities
Cuxhaven
Germany · 28 km west
District town of the Lower Saxony district of Cuxhaven, Germany