Towns & cities
Namhyeon-dong
Neighborhood in Gwanak-gu, Seoul, South Korea
Wikipedia names Namhyeon-dong as where 1 film or series was filmed; its 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 Namhyeon-dong. 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 Namhyeon-dong. Each source is linked.
Filming locations nearby
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Landmarks & buildings
Nam-Seoul Museum of Art
South Korea · 1 km north
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Landmarks & buildings Seoul Bangbae Police Station
South Korea · 2 km north
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Towns & cities
Bangbae-dong
South Korea · 2 km north
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Landmarks & buildings
Isu Station
South Korea · 2 km north
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Landmarks & buildings
Seoul National University
South Korea · 3 km west
National research university in Seoul, Republic of Korea
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Towns & cities
Bongcheon-dong
South Korea · 3 km north-west