中央・総武緩行線
is a suburban, residential area of Tokyo in Suginami ward, approximately 8 km west of Shinjuku. Ogikubo has the Ogikubo Station on the JR Chūō Line (Rapid), the JR Chūō-Sōbu Line, the Tokyo Metro Marunouchi Line (terminus) and the Tokyo Metro Tōzai Line extension (which runs on the Chūō-Sōbu Line tracks). The Japanese headquarters of American Express is located near the station.