Gwangtonggwan
 Gwangtonggwan (Hangul: 광통관; hanja: 廣通館) located in Seoul is one of Korea's oldest bank buildings. Its address is 19 Namdaemunno 1-ga Jung-gu Seoul. Currently the Woori Bank's Jongno Branch it is also the oldest continuously operating bank building in Korea.Constructed in 1909 Gwangtonggwan is one of the few surviving examples of Korea's early 20th century western architecture.