Taitō (台東区, Taitō-ku) is a special ward located in Tokyo Metropolis, Japan. In English, it is known as Taito City. As of April 1, 2011, the ward has an estimated population of 168,909, with 94,908 households and a population density of 16,745.86 persons per km². The total area is 10.08 km². The ward was founded on March 15, 1947. During the Edo period, the Yoshiwara licensed quarter was in what is now Taitō. Situated in the northeastern portion of the wards area of Tokyo, Taitō is surrounded by five other special wards: Chiyoda, Bunkyō, Arakawa, Sumida and Chūō.