Towns & cities
Apgujeong-dong
Dong in Gangnam District, Seoul, South Korea
Wikipedia names Apgujeong-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 Apgujeong-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 Apgujeong-dong. Each source is linked.
Filming locations nearby
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Towns & cities
Sinsa-dong
South Korea · 1 km south-west
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Landmarks & buildings
Oksu Station
South Korea · 2 km north-west
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Towns & cities
Oksu-dong
South Korea · 2 km north-west
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Landmarks & buildings
Seoul Forest
South Korea · 2 km north-east
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Towns & cities
Cheongdam-dong
South Korea · 2 km south-east
Dong in Gangnam District, Seoul, South Korea
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Landmarks & buildings
Hakdong Park
South Korea · 2 km south