Itabashi (板橋区, Itabashi-ku) is a special ward located in Tokyo Metropolis, Japan. In English, it calls itself Itabashi City. Itabashi has sister-city relations with Burlington, Ontario, in Canada; Shijingshan District of Beijing in the People’s Republic of China; and Bologna in Italy. As of May 1, 2015, the ward has an estimated population of 547,270, and a population density of 16,990 persons per km2. The total area is 32.22 km2.