Kokkai-gijidō-mae Station

Kokkai-gijidomae Station (国会議事堂前駅, Kokkai-gijidō-mae-eki) is a subway station in Chiyoda, Tokyo, Japan, operated by the Tokyo subway operator Tokyo Metro. It is located adjacent to the National Diet Building.

M14 C07
Kokkai-gijidomae Station

Station ticket barriers
LocationChiyoda, Tokyo
Operated byTokyo Metro
Platforms2 side platforms (Marunouchi Line)
1 island platform (Chiyoda Line)
Tracks4 (2 on each level)
ConnectionsG06 N06 Tameike-sanno Station
Depth37.9 m (124 ft) (Chiyoda Line platform)
Other information
Station codeC-07, M-14
Preceding station   Tokyo Metro   Following station
toward Ogikubo or Hōnanchō
Marunouchi Line
toward Ikebukuro
Chiyoda Line
toward Kita-Ayase


Kokkai-gijidomae Station is served by the following lines.

The station is also connected by underground passageways to Tameike-Sanno Station, which is served by the Tokyo Metro Ginza Line and Tokyo Metro Namboku Line, and it is possible to transfer between the two stations without passing through the ticket gates.

Station layout

The Chiyoda Line platforms are 37.9 m underground, making this station the deepest in the Tokyo Metro network (although a number of stations on the Toei Oedo Line are farther underground).

1 M Tokyo Metro Marunouchi Line for Shinjuku and Ogikubo
2 M Tokyo Metro Marunouchi Line for Ginza, Otemachi, and Ikebukuro
3 C Tokyo Metro Chiyoda Line for Omote-sando and Yoyogi-uehara
Odakyu Odawara Line for Hon-Atsugi and Isehara
4 C Tokyo Metro Chiyoda Line for Otemachi, Kita-senju, and Ayase
JL Jōban Line (Local) for Abiko and Toride


The station first opened on March 15, 1959, as a station on the Marunouchi Line. The Chiyoda Line platforms opened on October 20, 1972. It also became possible to transfer to the Ginza and Namboku lines via a passageway to the newly opened Tameike-Sannō Station which opened on September 30, 1997.

Surrounding area

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