Old Myeongdong Kalguksu is a kalguksu restaurant in Jeokseon-dong, Jongno-gu, Seoul, near Gwanghwamun, serving mandu kalguksu and kongguksu. The mandu kalguksu comes in a meat broth with dumplings, and the dumplings are packed full. In summer, kongguksu is the signature dish, and when cold winds blow, kalguksu suits the season. Kongguksu is served cold.