Nishi-ku (西区, Nishi-ku) is one of ten wards of the city of Saitama, in Saitama Prefecture, Japan, and is located in the far western part of the city.

Its total area was 29.14 square kilometres (11.25 sq mi).

[1] Nishi-ward is located in the extreme western side of the city of Saitama.

Saitama Prefecture: The villages of Sashiougi, Mamiya, Uemizu, Nisshin and Mihashi were created within Kitaadachi District, Saitama with the establishment of the municipalities system on April 1, 1889.

Public junior high schools:[2] Municipal elementary schools:[3] JR East – Kawagoe Line Media related to Nishi-ku, Saitama at Wikimedia Commons