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 国会議事堂前駅 | ||||||||||||||||
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![]() Station ticket barriers | ||||||||||||||||
Location | Chiyoda, Tokyo Japan | |||||||||||||||
Operated by | ![]() | |||||||||||||||
Line(s) | ||||||||||||||||
Platforms | 2 side platforms (Marunouchi Line) 1 island platform (Chiyoda Line) | |||||||||||||||
Tracks | 4 (2 on each level) | |||||||||||||||
Connections | G06 N06 Tameike-sanno Station | |||||||||||||||
Construction | ||||||||||||||||
Depth | 37.9 m (124 ft) (Chiyoda Line platform) | |||||||||||||||
Other information | ||||||||||||||||
Station code | C-07, M-14 | |||||||||||||||
History | ||||||||||||||||
Opened | 1959 | |||||||||||||||
Services | ||||||||||||||||
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Lines
Kokkai-gijidomae Station is served by the following lines.
- Tokyo Metro Marunouchi Line (M-14)
- Tokyo Metro Chiyoda Line (C-07)
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![]() |
4 | C Tokyo Metro Chiyoda Line | for Otemachi, Kita-senju, and Ayase JL Jōban Line (Local) for Abiko and Toride |
- Marunouchi Line concourse
- Chiyoda Line platform
- Marunouchi Line platforms
History

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
- National Diet Building
- The official residence of the Prime Minister of Japan(Kantei)
- Cabinet Office
- Hibiya High School
- Hie Shrine
- The Capitol Hotel Tokyu