Chiyoda-ku is one of the 23 special wards in centra Tokyo, Japan.
Chiyoda was founded on March 15,1947 by the unification of Kanda Ward (the northeast corner of present-day Chiyoda, around Akihabara Station) and Kojimachi Ward (comprising the rest of Chiyoda). Minato-ku is one of the 23 special wards of Tokyo, Japan. Minato is located southwest of the Imperial Palace and has boundaries with the special wards of Chiyoda, http://www.answers.com/topic/ch-tokyo, Koto (in Odaiba), Shinagawa, Shibuya and Shinjuku.