Landmarks & buildings
Busan Cooperative Fish Market
Busan Cooperative Fish Market is named as a filming location of The Merciless by a published source, listed below with its publisher and its sentence. No wiki records a shoot here yet.

From published sources
Newspapers, film offices, archives and city filming permits say these were filmed at Busan Cooperative Fish Market. Each source is linked.
Filming locations nearby
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Towns & cities
Chojang-dong
South Korea · under 1 km
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Landmarks & buildings
Jagalchi Market
South Korea · 1 km north-east
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Towns & cities
Gwangbok-dong
South Korea · 1 km north-east
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Landmarks & buildings
Busan Yeongdo Police Station
South Korea · 1 km north-east
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Towns & cities
Seo District
South Korea · 1 km north
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Landmarks & buildings
Gukje Market
South Korea · 1 km north
Market in South Korea