Landmarks & buildings
Stiftsbezirk St. Gallen
Wikipedia names Stiftsbezirk St. Gallen 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 Stiftsbezirk St. Gallen. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
St. Gallen
Switzerland · under 1 km
Capital of the canton of St. Gallen, Switzerland
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Towns & cities Urnäsch
Switzerland · 14 km south-west
Municipality in the canton of Appenzell Ausserrhoden in Switzerland
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Towns & cities
Bischofszell
Switzerland · 14 km north-west
Municipality in the canton of Thurgau in Switzerland
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Towns & cities Schwägalp Pass
Switzerland · 19 km south
Mountain pass
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Towns & cities
Widnau
Switzerland · 19 km east
Municipality in the canton of St. Gallen, Switzerland
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Towns & cities Hemberg
Switzerland · 20 km south-west
Village and former municipality in Neckertal in the canton of St. Gallen, Switzerland