Landscapes & nature
Dee Estuary
Estuary
Wikipedia names Dee Estuary 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 Dee Estuary. Each title’s page links to the sentence that says so.
Official SecretsThriller film2019
Filming locations nearby
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Towns & cities
Thurstaston
England · 7 km north-east
Village in Wirral, Merseyside, UK
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Landmarks & buildings Pensby High School
England · 7 km north-east
School in Wirral, UK
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Towns & cities
Thornton Hough
England · 9 km east
Village in Wirral, Merseyside, UK
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Towns & cities
Hoylake
England · 11 km north
Seaside town in Wirral, Merseyside, England
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Landmarks & buildings
Soughton Hall
Wales · 11 km south
Grade II* country house & hotel in Flintshire, Wales, UK
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Landscapes & nature Wirral Peninsula
England · 12 km east
Peninsula in North West England