Awajicho Station is served by the Marunouchi Line, and is 7.2 km (4.5 mi) from northern terminus of the line at Ikebukuro.

The station has two side platforms located on the basement ("B1F") level, serving two tracks.

Passenger access between the two platforms is also provided via an underpass at the south end.

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

[2] In fiscal 2014, the station was used by an average of 55,155 passengers daily.