Landmarks & buildings
MOD St Athan
UK military establishment in the Vale of Glamorgan, Wales
Wikipedia names MOD St Athan 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 MOD St Athan. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Aberthaw
Wales · 4 km south-east
Village in the Vale of Glamorgan, Wales, UK
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Landmarks & buildings
The Blue Anchor Inn
Wales · 4 km south-east
Public house in Wales
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Towns & cities
St Hilary
Wales · 5 km north
Village in Vale of Glamorgan, Wales, UK
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Landmarks & buildings
The Bush Inn
Wales · 5 km north
Grade II listed pub in the United Kingdom
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Towns & cities
Cowbridge
Wales · 6 km north
Market town in the Vale of Glamorgan, Wales, UK
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Castles & palaces
St Donat's Castle
Wales · 7 km west
Castle in St Donats, Vale of Glamorgan, Wales