Keio Corporation, commonly known as Keio Railways, is a private railway company in Japan that operates a network of lines in the Greater Tokyo area. The company was founded in 1885 and is headquartered in Tokyo. It is one of the major railway operators in the Tokyo metropolitan area, along with Tokyo Metro, Toei Subway, and JR East.
Keio Railways operates a number of lines, including the Keio Line, which runs from Shinjuku in central Tokyo to Hachioji in the western suburbs, and the Keio New Line, which connects Hachioji with Takaosanguchi. The company also operates the Keio Inokashira Line, which connects Shibuya in central Tokyo with Kichijoji in the western suburbs, and the Keio Sagamihara Line, which runs from Chofu in western Tokyo to Sagamihara in Kanagawa Prefecture.
To use Keio Railways, you will need to purchase a ticket or a prepaid transportation card, such as a Pasmo or Suica card. These cards can be used on all Keio lines as well as on other trains, buses, and subways in the Tokyo area. Tickets can be purchased at ticket machines or ticket counters at Keio stations.
Keio Railways also offers a number of passes and discount tickets for tourists, including the Keio Tourist Pass, which allows unlimited travel on all Keio lines for a set period of time. The pass is available in 1-day, 2-day, and 3-day versions, and is a convenient and cost-effective way to explore the Greater Tokyo area by train.