Nakwon Sundaeguk is a restaurant in Nakwon-dong, Seoul, serving sundaegukbap and kongnamul gukbap. It sits in the alley by Nakwon Sanga, and the menu also lists hwangtae kongnamul haejangguk and ppyeo haejangguk. Ordering a haejangguk brings banchan out with it. The exterior is shabby.