Shinsegae is a department store.
Lotte Department Store ( Korean : 롯데백화점 ) is a Korean retail company established in 1979 , and headquartered in Sogong-dong , Jung-gu , Seoul , South Korea . Shinsegae ( Korean : 신세계 , ) is a South Korean department store franchise , along with several other businesses , headquartered in Seoul , South Korea . Its flagship store in Centum City , Busan , is the world 's largest department store , surpassing Macy 's flagship Herald Square in New York City in 2009 . The store was acquired in 1945 by the late founder of Samsung group , Lee Byung-chull , and renamed Donghwa Department Store .