1. Kuzumaki WineKuzumaki Machi Kuzumaki is a town located in Iwate Prefecture, Japan. As of 1 October 2016, the town had an estimated population of 6,149, and a population density of 14.1 persons per km2. The total area of the town is 434.96 square kilometres . The town uses many alternative energy sources, producing a surplus of energy, including wind power and biomass. From Wikipedia, the free encyclopedia.