World Trade Center Seoul (WTC Seoul; ) is a building complex centered on the COEX Convention & Exhibition Center (Coex) on Teheranno in Samseong-dong, Gangnam-gu district of Seoul. It is operated by Korea International Trade Association.
The section of sidewalk along Yeongdong Boulevard from exit No.5 of Samseong Station on Seoul Subway Line 2, outside Convention & Exhibition Center and ASEM Tower is designated as a smoke-free zone by the Seoul Metropolitan Government.