Chiyoda (千代田区; -ku) is a special ward located around the Kokyo in Tokyo, Japan.
As of 2003, the ward has an estimated population of 37,988 and the density of 3,263.57 persons per km². The total area is 11.64 km².
The important functions of the Japanese government such the Diet are concentrated on this ward.
The main districts of Chiyoda Ward are Iidabashi, Jinbocho, Kanda, Kasumigaseki, Kojimachi, Marunouchi, Nagatacho, Otemachi, and Yurakucho.