Dongkyung is a Japanese restaurant in the alley behind Sejong Center for the Performing Arts in Gwanghwamun, Seoul, serving udon, soba, and tonkatsu. The udon is defined by its broth and noodles, and the menu also includes hoedeopbap, soba, tonkatsu, and inari sushi. The space is split between the first and second floors, and staff attend closely to orders. It gets crowded during lunch hours.