Eulji Twin Tower is an office building connected directly to Euljiro 4-ga Station. Starbucks, Twosome Place and several restaurants occupy the basement and first floor, and the lobby has sofas and tables. The Prezio Art Hall on the third floor is a small music hall with around 300 seats, and health checkups take place on the ninth floor after reception on the tenth. All-day parking is available on weekends.