Towns & cities
Bellinzona
Capital of the canton of Ticino, Switzerland
Wikipedia names Bellinzona as where 3 films and series were filmed; each title’s page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Bellinzona. Each title’s page links to the sentence that says so.
Filming locations nearby
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Landscapes & nature
Verzasca
Switzerland · 13 km west
Mountain river in Valle Verzasca, Ticino, Switzerland
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Landscapes & nature
Lago di Vogorno
Switzerland · 13 km west
Reservoir
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Landmarks & buildings Contra Dam
Switzerland · 14 km west
Dam in Ticino, Switzerland
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Landscapes & nature
Valle Verzasca
Switzerland · 16 km north-west
Geographical object
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Towns & cities
Locarno
Switzerland · 18 km west
Municipality in the canton of Ticino in Switzerland
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Towns & cities
Valsolda
Italy · 18 km south
Italian comune