Landscapes & nature
Seoraksan
Mountain in South Korea
Wikipedia names Seoraksan as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Seoraksan. Each title’s page links to the sentence that says so.
Hello StrangerComedy film2010
Filming locations nearby
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Landmarks & buildings
Sinheungsa
South Korea · 7 km north
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Towns & cities Yangyang-eup
South Korea · 12 km east
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Landmarks & buildings
Cheongdae Elementary School
South Korea · 13 km north-east
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Towns & cities
Geumho-dong
South Korea · 14 km north-east
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Landscapes & nature
Sokcho Beach
South Korea · 14 km north-east
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Towns & cities
Toseong-myeon
South Korea · 15 km north