Ahn Gyu-back
He has been a member of the National Assembly for Dongdaemun , Seoul , since 2012 , and previously served as a party list member from 2008 to 2012 . 
<triplet> Dongdaemun <subj> Seoul <obj> located in the administrative territorial entity <triplet> Seoul <subj> Dongdaemun <obj> contains administrative territorial entity