Towns & cities
Nonsan
Administrative division of South Korea
Wikipedia names Nonsan as where 2 films and series were filmed; each title’s page links to the sentence that says so. Wikidata records no shoot here yet.
1 place inside Nonsan has a page of its own: listed below. Everything shot at it is already named above, recorded against Nonsan as well.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Nonsan. Each title’s page links to the sentence that says so.
Filming locations inside Nonsan
1 place inside Nonsan, with a page of its own. Every production shot at it is already listed above, because Wikidata records it against Nonsan too.
Filming locations nearby
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Towns & cities
Yeonmu
South Korea · 11 km south
Town
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Landmarks & buildings Buyeo National Museum
South Korea · 17 km north-west
National museum
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Towns & cities
Yeosan-myeon
South Korea · 17 km south
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Towns & cities
Buyeo-eup
South Korea · 17 km north-west
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Landscapes & nature
부소산
South Korea · 18 km north-west
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Towns & cities
Sindoan-myeon
South Korea · 18 km north-east