It is located near the Hanzōmon Gate of the Imperial Palace.

The station was the eastern terminal of the Hanzōmon Line from 1982 to 1989 and is still used as a terminal for some morning rush hour trains.

The station is composed of a singular island platform serving two tracks.

[1] It became a through station when the Hanzōmon Line was extended to Mitsukoshimae.

The station facilities were inherited by Tokyo Metro after the privatization of the Teito Rapid Transit Authority (TRTA) in 2004.