Namdaemunno is a major thoroughfare in the central districts of Seoul, South Korea and a two-way road consisting of 8 lanes. With a 2 km length and a 40∼50m width, Namdaemunno originates at Bosingak in Jongno-gu and terminates at Seoul Station in Jung-gu. 
Historical buildings on this street include the Gwangtonggwan, the oldest continuously-operating bank building in Korea. It was registered as one of city's protected monuments on March 5th, 2001.
- "남대문로 南大門路" (in Korean). Retrieved 2008-05-10.
- Lee, Jun-Ho (2005-08-14). "最古 은행건물 우리銀 종로점 (The Oldest Bank Building the Woori Bank Jongno Branch)". Kyunghyang Sinmun
- "광통관 (廣通館) (Gwangtonggwan)". Cultural Heritage Administration of Korea. 2002. Retrieved 2009-04-05.