Dunsan isn't a gu, but would be the central business district and where you will see many the stores and dining establishments. The area is served by a few stops about the subway: City Corridor, Federal government Complicated and Galma stops 111, 112, 113 respectively. Resource: great gari / shutterstockKIGAM https://royalbookmarking.com/story17657927/little-known-facts-about-here