World Trade Center Seoul (WTC Seoul) (Hangul: 한국종합무역센터;hanja: 韓國世界貿易中心), commonly known as the COEX, is a building complex centered on the COEX Convention & Exhibition Center on Teheranno in Samseong-dong, Gangnam-gu district of Seoul. It contains the ASEM Tower, the Trade Tower, and the COEX InterContinental Seoul. The 54-story building Trade Tower was built in 1988 with a height of 228 meters (748 feet), and is one of the tallest buildings in South Korea.