is a district located in northwestern Hiroshima Prefecture, Japan.
As of 2003, the district has an estimated population of 29,978 and a density of 30.34 persons per km2. The total area is 988.11 km2.
Atomic bomb survivor Toshiyuki Mimaki lives in Yamagata district.[1]
founded on October 1, 2004 from the merger of the towns of Kake and Togouchi, and the village of Tsutsuga
founded on February 1, 2005 from the merger of the towns of Chiyoda, Geihoku, Ōasa and Toyohira