Towns & cities
Harwich
Town in Barnstable County, Massachusetts, United States
Wikipedia names Harwich 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 Harwich. Each title’s page links to the sentence that says so.
Filming locations nearby
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Landscapes & nature
Cape Cod
United States · 4 km north-east
Peninsula in Massachusetts, United States
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Towns & cities
Chatham
United States · 10 km east
Town in Massachusetts, U.S.
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Towns & cities
Yarmouth
United States · 13 km west
Town in Massachusetts, United States
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Landmarks & buildings
Cape Cod Hospital
United States · 17 km west
Hospital in West Yarmouth, Massachusetts, United States
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Towns & cities
Barnstable
United States · 19 km west
Town in Massachusetts, United States
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Towns & cities
Osterville
United States · 27 km west
Human settlement in United States of America