It is also connected by underground passageways to Nagatacho, which is served by the Tokyo Metro Yurakucho Line, Tokyo Metro Hanzomon Line and Tokyo Metro Namboku Line, and it is possible to transfer between the two stations without passing through the ticket gates.

The station has two island platforms serving four tracks.

The Marunouchi Line station opened on 15 March 1959.

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

[2] In the 2015 data available from Japan’s Ministry of Land, Infrastructure, Transport and Tourism, Akasaka Mitsuke → Tameike-Sannō was one of the train segments among Tokyo's most crowded train lines during rush hour.