Katsushika

is one of the 23 special wards within Tokyo, Japan.
The municipality calls itself "Katsushika City" in English.
Geography.
Katsushika is in eastern Tokyo. It borders Edogawa on the south. Sumida and Araikawa are on the ward's western border. Adachi is on the northeast.
The cities of Matsudo, Misato and Yashio in Chiba Prefecture are part of the northeast border of the ward.