About the place
Naganohara (長野原町?, Naganohara-machi) is a town located in Agatsuma District of western Gunma Prefecture in the northern Kantō region of Japan. As of February 2015, the town had an estimated population of 5,612 and a population density of 41.9 persons per km². Its total area was 133.85 km². The controversial Yanba Dam project is located within Naganohara.[1]