Towns & cities
Anseong
City in South Korea
Wikipedia names Anseong as where 4 films and series were filmed; each title’s page links to the sentence that says so. Wikidata records no shoot here yet. Newspapers, film offices and archives name more, listed below.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Anseong. Each title’s page links to the sentence that says so.
From published sources
Newspapers, film offices, archives and city filming permits say these were filmed at Anseong. Each source is linked.
I Saw the DevilHorror film2010- Along with the Gods: The Last 49 DaysFilm2018
Filming locations nearby
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Towns & cities
Daedeok-myeon
South Korea · 5 km north-west
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Towns & cities
Geumgwang-myeon
South Korea · 7 km south-east
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Landmarks & buildings
Dong-Ah Institute of Media and Arts
South Korea · 9 km north-east
School in Anseong, South Korea
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Towns & cities
Samjuk
South Korea · 10 km north-east
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Towns & cities
Gongdo
South Korea · 10 km west
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Towns & cities
Wongok-myeon
South Korea · 13 km north-west