Tokyo Metro Marunouchi Line: all 25 stations from Ogikubo to Ikebukuro
Tokyo's second subway line curves from Ogikubo through Shinjuku, Ginza and Tokyo Station to Ikebukuro. 25 stations, 266 letters in romaji.
October 6, 2026 · 1 min read

The Marunouchi Line is the red line. It opened on January 20, 1954 between Ikebukuro and Ochanomizu, the second subway line in Tokyo after the Ginza Line, and was extended in stages until it reached Ogikubo in 1962. It makes a long U through the centre, passing under Shinjuku, Ginza and Tokyo Station.
The stations
From Ogikubo the line runs Minami-asagaya, Shin-koenji, Higashi-koenji, Shin-nakano, Nakano-sakaue, Nishi-shinjuku, Shinjuku, Shinjuku-sanchome, Shinjuku-gyoenmae, Yotsuya-sanchome, Yotsuya, Akasaka-mitsuke, Kokkai-gijidomae, Kasumigaseki, Ginza, Tokyo, Otemachi, Awajicho, Ochanomizu, Hongo-sanchome, Korakuen, Myogadani, Shin-otsuka and Ikebukuro.

The Honancho branch
A short branch leaves the main line at Nakano-sakaue and runs to Honancho through Nakano-shimbashi and Nakano-fujimicho. It was finished in 1962. Our map draws it dotted, and the game types the main line.
Transfers and typing
Thirteen stations are shared with other lines in the game, including Shinjuku, Yotsuya, Akasaka-mitsuke, Kasumigaseki, Ginza, Tokyo, Otemachi and Ikebukuro. The line takes 266 letters in romaji, about 11 per station. Shinjuku-sanchome and Shinjuku-gyoenmae are the longest at 16 letters, and Tokyo and Ginza the shortest at five. Start the Marunouchi Line.
Common questions
How many stations does the Marunouchi Line have in HelloSubway?
25 stations, from Ogikubo to Ikebukuro. Dotted branches on the map are not typed.
Where can I change from the Marunouchi Line to another line?
13 of its stations are shared with other lines in the game, including Nakano-sakaue, Shinjuku, Shinjuku-sanchome, Yotsuya, Akasaka-mitsuke, Kokkai-gijidomae.
How hard is the Marunouchi Line to type?
Typing every station once takes 266 letters, about 10.6 per station. The longest name is Shinjuku-sanchome at 16. The game rates it level 3 of 7 among the lines of its city.
More stories
GuideSeoul Subway Line 3: all 44 stations, the transfers, and how long it takes to typeThe orange line runs from Daehwa in Ilsan to Ogeum in the southeast, past Gyeongbokgung and Garosu-gil. It has 44 stations, 16 of them transfers.
GuideSeoul Subway Line 4: all 51 stations from Jinjeop to OidoThe sky-blue line crosses Seoul from north to south through Seoul Station and Myeongdong, then runs out to the west coast. It has 51 stations, 21 of them transfers.
GuideSeoul Subway Line 1: all 65 stations from Yeoncheon to IncheonKorea's first subway line, opened in 1974, now runs from Yeoncheon near the border to the port of Incheon. It has 65 typed stations and takes 421 keystrokes.