Kokkai-gijidō-mae Station 2.69

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 (Kokkai-gijidō in Japanese).LinesKokkai-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 layoutThe 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).HistoryThe station first opened on March 15, 1959, as a station on the Marunouchi Line. The Chiyoda Line platforms opened on October 20, 1972, and the Namboku Line platforms opened on September 30, 1997. It also became possible to transfer to the Ginza and Namboku lines via a passageway to the newly opened Tameike Sannō Station.Surrounding area National Diet Building The official residence of the Prime Minister of Japan（Kantei） Cabinet Office Hibiya High School Hie ShrineThe Capitol Hotel Tokyu