Nishiiwai District, Iwate

Nishiiwai (西磐井郡 Nishiiwai-gun?) is a district located in Iwate Prefecture, Japan.

As of 2005, the district has an estimated population of 8,782. The total area is 63.39 km².

After the 3rd city of Ichinoseki creation on September 20, 2005, the district has only one town left.

post-WWII timeline