Aldgate is a London Underground station near Aldgate in the City of London. The station is on the Circle line between Tower Hill and Liverpool Street, and is the eastern terminus of the Metropolitan line. It is in Travelcard Zone 1. Aldgate was opened in 1876 with its entrance on Aldgate High Street. A station named Aldgate East opened nearby eight years later and is served today by the District and Hammersmith & City lines.