Nishi-ku (西区?) is one of eight wards in the city of Hiroshima, Japan. The Hiroshima-Nishi Airport is located in Nishi-ku.
The ward of Nishi-ku is in the southwest part of Hiroshima. There are many mountains, but the other wards are mostly larger in area. There are many mountains in the north of the ward of Nishi-ku, and its width (geographic plane) is very narrow. It borders the ocean (Hiroshima Bay) to the south.
Sporting equipment companies Mikasa Sports and Molten Corporation have their headquarters in Nishi-ku.
Coordinates: 34°23′38″N 132°26′4″E / 34.39389°N 132.43444°E