Samseong Station is a station on Seoul Subway Line 2. It serves the eastern area of Teheranno. Some of the more famous buildings near the station include World Trade Center Seoul, COEX Mall, Korea Electric Power (KEPCO) headquarters, Korea Air City Terminal, and Gangnam main police and fire stations. Due to security concerns, the station was closed during the G20 summit and the 2012 Nuclear Security Summit, as this station is directly connected with COEX.