Shinsegae is only an online store.
A department store is a retail establishment offering a wide range of consumer goods in different product categories known as `` departments '' . Shinsegae . 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 main branch of Shinsegae is the oldest department store in Korea .