Towns & cities
Portland
Town in Connecticut, United States
Wikipedia names Portland 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 Portland. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Meriden
United States · 13 km west
City in New Haven County, Connecticut, United States
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Towns & cities
Newington
United States · 15 km north-west
Town in Hartford County, Connecticut, United States
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Towns & cities
New Britain
United States · 17 km north-west
City in Hartford County, Connecticut, United States
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Landmarks & buildings Choate Rosemary Hall
United States · 19 km south-west
Private, college-preparatory, coeducational, boarding school
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Towns & cities
Wallingford
United States · 20 km south-west
Town in New Haven County, Connecticut, United States
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Towns & cities
Wallingford Center
United States · 20 km south-west
Census-designated Place in New Haven County, Connecticut, United States of America