The Tokyo Metro Yurakucho Line is a subway line in Tokyo, Japan, operated by Tokyo Metro. It runs from Shin-Kiba in the east to Wakoshi in the west, covering a distance of approximately 20 kilometers. The line features 21 stations and connects with several other subway and train lines, making it a vital part of Tokyo's public transportation system. Opened in 1974, the Yurakucho Line is known for its efficient service and accessibility. It serves key areas such as Ikebukuro, Shinjuku, and Tokyo, providing easy access to shopping, dining, and entertainment. The line is particularly popular among commuters and tourists alike.