Towns & cities
Mokpo
City in South Jeolla Province, South Korea
Wikipedia names Mokpo 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 Mokpo. 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 Mokpo. Each source is linked.
Filming locations nearby
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Landmarks & buildings Mokpo Police Station
South Korea · 2 km north-east
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Towns & cities
Samhyang-eup
South Korea · 8 km north-east
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Towns & cities
Miam-myeon
South Korea · 20 km south-east
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Towns & cities
Munnae-myeon
South Korea · 22 km south
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Landmarks & buildings
Muan International Airport
South Korea · 22 km north
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Landmarks & buildings Muan Police Station
South Korea · 23 km north