Nerima (練馬区 Nerima-ku?) is a special ward located in Tokyo Metropolis, Japan. In English, it calls itself Nerima City. As of August 1, 2007, the ward has an estimated population of 703,005, with 323,296 households and a population density of 14,443 persons per km². 12,897 foreign residents are registered in the ward. 18.4% of the ward's population is over the age of 65. The total area is 48.16 km². Nerima has a sister-city relationship with Ipswich, Queensland, Australia. Nerima Gardens in Ipswich commemorates the tie. Nerima also has a similar link to Haidian District, Beijing, China.
Nerima lies at the northwestern edge of the 23 special wards of Tokyo. Its neighbors are the special wards of Itabashi (to the east), Suginami, Toshima and Nakano (to the south), as well as the cities of Musashino (to the southwest) and Nishi-Tokyo (to the west). To the north lie three cities in Saitama Prefecture: Wako, Asaka and Niiza.