Towns & cities
Suncheon
City in South Korea
Wikipedia names Suncheon as where 4 films and series were filmed; each title’s 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 Suncheon. 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 Suncheon. Each source is linked.
7 of 7
Filming locations nearby
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Landmarks & buildings
Suncheonbuk Elementary School
South Korea · 2 km north
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Landmarks & buildings
Suncheon Seungpyeong Middle School
South Korea · 5 km east
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Castles & palaces
Suncheon Castle
South Korea · 10 km south-east
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Towns & cities Gwangyang-eup
South Korea · 11 km east
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Landmarks & buildings
Yulchon Middle School
South Korea · 11 km south-east
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Towns & cities
Seungju
South Korea · 14 km north-west