Landmarks & buildings
Posco Tower Songdo
Skyscraper in Incheon, South Korea
Wikipedia names Posco Tower Songdo 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 Posco Tower Songdo. 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 Posco Tower Songdo. Each source is linked.
Filming locations nearby
-
Towns & cities
Songdo Convensia
South Korea · under 1 km
-
Landmarks & buildings
Sheraton Incheon Hotel
South Korea · under 1 km
-
Towns & cities
Songdo
South Korea · under 1 km
District in Incheon, South Korea
-
Towns & cities
Songdo-dong
South Korea · under 1 km
-
Landmarks & buildings
Incheon National University
South Korea · 2 km south-west
University in Incheon, South Korea
-
Towns & cities
Ongnyeon1 Dong
South Korea · 3 km north