Landmarks & buildings
University of Seoul
City university established by Seoul
Wikipedia names University of Seoul 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 University of Seoul. 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 University of Seoul. Each source is linked.
Filming locations nearby
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Landmarks & buildings
Cheongnyangni Station
South Korea · under 1 km
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Towns & cities
Cheongnyangni-dong
South Korea · 1 km west
Neighborhood in Dongdaemun-gu, Seoul, South Korea
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Towns & cities
Hoegi-dong
South Korea · 1 km north-west
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Landmarks & buildings Seoul Dongdaemun Police Station
South Korea · 1 km west
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Landmarks & buildings
Yeonghwiwon
South Korea · 1 km north-west
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Landmarks & buildings Kyung Hee University
South Korea · 2 km north