Jageumseong is a basement Chinese restaurant in Gangnam, Seoul, near Gangnam-gu Office and Gangnam Tax Office around Cheongdam Station. It serves jjamppong and jjajangmyeon, with honghap jjamppong and gul jjamppong containing seafood and jjajangmyeon sold as well. The jjamppong has a standard flavor, while the jjajangmyeon is on the salty side. The basement space is small.