Landmarks & buildings
Incheon National University
University in Incheon, South Korea
Wikipedia names Incheon National University 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 Incheon National University. 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 Incheon National University. Each source is linked.
Filming locations nearby
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Towns & cities
Songdo
South Korea · 1 km north-east
District in Incheon, South Korea
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Towns & cities
Songdo-dong
South Korea · 2 km north-east
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Landmarks & buildings
Posco Tower Songdo
South Korea · 2 km north-east
Skyscraper in Incheon, South Korea
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Towns & cities
Songdo Convensia
South Korea · 2 km north-east
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Landmarks & buildings
Sheraton Incheon Hotel
South Korea · 2 km north-east
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Towns & cities
Ongnyeon1 Dong
South Korea · 5 km north