Chūō (中央区 Chūō-ku) is one of the 23 special wards of Tokyo, Japan.
The municipality calls itself "Chūō City" in English.
Chūō is in central Tokyo. It borders Tokyo Bay on the south. Minato is on the ward's southwestern border. Chiyoda is on the northwestern border. Sumida and Kōtō are on the east.
The most famous districts in Chūō are Ginza and Nihonbashi. Other districtsare Kabutochō and Tsukiji.
In area, Chūō is the second-smallest ward in Tokyo. Only Taitō is smaller.