Towns & cities
Rockville
City in and seat of Montgomery County, Maryland, United States; suburb of Washington, D.C.
Wikipedia names Rockville as where 2 films and series were filmed; each title’s page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Rockville. Each title’s page links to the sentence that says so.
The Blair Witch ProjectHorror film1999
LilithDrama film1964
Filming locations nearby
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Towns & cities
Gaithersburg
United States · 7 km north-west
City in Montgomery County, Maryland, United States; suburb of Washington, D.C.
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Towns & cities
Montgomery County
United States · 7 km north-west
County in Maryland, United States
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Towns & cities
Wheaton
United States · 10 km south-east
Census-designated place in Montgomery County, Maryland, United States
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Landscapes & nature
Seneca Creek State Park
United States · 11 km north-west
State park in Montgomery County, Maryland, United States
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Towns & cities Bethesda
United States · 12 km south-east
Unincorporated community in Montgomery County, Maryland, United States
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Landmarks & buildings
Forest Glen station
United States · 12 km south-east
Washington DC Metro station in Montgomery County, MD on the Red line
What Wikipedia says about Rockville
One sentence quoted word for word from Wikipedia, with the production it describes and a link to the article it comes from.
Lilith 1964
“Produced by Rossen's Centaur Productions and financed mainly by distributor Columbia Pictures, Lilith was shot on location over a period of six weeks in a rented boarding house and the Killingsworth Taylor mansion, Long Island, and in Rockville, Maryland, where the clinic was located.” Wikipedia