Towns & cities
Truro
City in Cornwall, United Kingdom
Wikipedia names Truro 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 Truro. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
St Michael Penkevil
England · 4 km south-east
Village in Cornwall, England, UK
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Landscapes & nature
River Fal
United Kingdom · 6 km south
River in Cornwall, UK
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Towns & cities
Trevellas
England · 11 km north-west
Village in Cornwall, England, UK
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Towns & cities
Rose
England · 12 km north-west
Hamlet in Perranzabuloe, Cornwall, England, UK
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Towns & cities
St Mawes
England · 12 km south
Village in Cornwall, United Kingdom
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Countries & regions
Cornwall
England · 12 km north-east
Historic county of England and Celtic nation