On July 3, 1979, the opening ceremony of the Korea General Exhibition Center, with a floor space of 8,300 pyeong, was held at the site of Samsung-dong, Seoul.
The exhibition hall has one basement floor and three floors above ground, and has exhibition facilities and international conference rooms.
Its original name was KOEX, but it was renamed COEX (CONVENTION & EXHIBITION) in 1998. Samsung Station on Line 2 and Bongeunsa Station on Line 9 are connected to COEX.
The comprehensive exhibition facility consists of the main building and annex, and there are convenience facilities such as hotels and department stores, as well as foreign casinos, and the performance hall COEX Artium' is located on the ground.