Toshima (豊島区, Toshima-ku) is a special ward in the Tokyo Metropolis in Japan.

Located in the northern area of Tokyo, Toshima is bordered by the wards of Nerima, Itabashi, and Kita in the north and Nakano, Shinjuku, and Bunkyo in the south.

The total land area of Toshima is 13.01 km2, sitting on a moderate plateau with a difference of 28 m between the ward's highest and lowest points.

[2] Toshima was formed in 1932 by the merger of four towns, Sugamochō, Nishi-sugamochō, Takadachō, and Nagasakichō, bordered by the quickly expanding former city of Tokyo.

The area evolved from a suburban agricultural district in the Edo period to the urban commercial center that it is today.

The growth was fueled by the construction of various rail lines built in the Meiji and Taishō periods.

Located Tokyo Metropolitan Government Board of Education operates area public high schools.