Towns & cities
Ellesmere Port
Town and port in Cheshire, England
Wikipedia names Ellesmere Port 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 Ellesmere Port. Each title’s page links to the sentence that says so.
Filming locations nearby
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Landmarks & buildings
Liverpool John Lennon Airport
England · 7 km north-east
Airport in Liverpool, England
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Landscapes & nature Wirral Peninsula
England · 7 km west
Peninsula in North West England
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Towns & cities Chester
England · 9 km south
City in Cheshire, England
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Towns & cities Hoole
England · 9 km south
Suburb in the east of Chester
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Landmarks & buildings Chester Cathedral
England · 10 km south
Grade I listed cathedral in Chester, United Kingdom
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Landmarks & buildings
Woolton Hall
England · 11 km north
Grade I listed building in Liverpool, United Kingdom
What Wikipedia says about Ellesmere Port
One sentence quoted word for word from Wikipedia, with the production it describes and a link to the article it comes from.
The Irregulars 2021–
“The series was announced to be filmed in the UK, with reports In early December 2019 that filming had taken place in Nantwich at Dorfold Hall.” Wikipedia