The Kyobo Book Centre (Hangul: 교보문고; hanja: 敎保文庫, also known as Kyobo Mungo), is the largest book store chain in South Korea. It has ten stores in seven cities, with the flagship Main Store, or Gwanghwamun-jum in Seoul, which is located in the basement of the Kyobo Building, at 1 Jongno 1-ga in Seoul's central business district.