Jangsu Seolleongtang is a gisa sikdang in Jamsil-dong, Seoul, that specializes in seolleongtang. It mainly serves seolleongtang and ubbone haejangguk, with kimchi and kkakdugi on the side. Parking is available in front of and beside the restaurant, and taxi drivers regularly eat there. It is not open 24 hours, so you have to go before 10 p.m.