Ikebukuro Station is a major railway station located in the Ikebukuro district of Toshima, Tokyo, Japan, shared by East Japan Railway Company (JR East), Tokyo subway operator Tokyo Metro, and the two private railway operators Seibu Railway and Tobu Railway. With 2.71 million passengers on an average daily in 2007, it is the second-busiest railway station in the world, and the busiest station in the Tobu, Seibu, and Tokyo Metro networks.