Towns & cities
Alfter
Municipality in Rhein-Sieg District, in North Rhine-Westphalia, Germany
Wikipedia names Alfter as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.
1 place inside Alfter has a page of its own: listed below. Everything shot at it is already named above, recorded against Alfter as well.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Alfter. Each title’s page links to the sentence that says so.
Liebes KindThriller series2023–TVmaze
Filming locations inside Alfter
1 place inside Alfter, with a page of its own. Every production shot at it is already listed above, because Wikidata records it against Alfter too.
Filming locations nearby
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Landmarks & buildings Alanus University of Arts and Social Sciences
Germany · under 1 km
Art school
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Towns & cities
Bornheim
Germany · 3 km north
Town in the Rhein-Sieg district, in North Rhine-Westphalia, Germany
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Towns & cities
Hemmerich
Germany · 6 km north-west
Human settlement in Germany
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Towns & cities
Bonn
Germany · 7 km east
City in Germany and capital of former West Germany
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Towns & cities
Ippendorf
Germany · 7 km south-east
Quarter of Bonn, Germany
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Landmarks & buildings
Hammerschmidt Villa
Germany · 8 km east
Building