was a district located in Hiroshima Prefecture, Japan.
As of 2003, the district had an estimated population of 21,448 and a density of 23.00 persons per km<sup>2</sup>. The total area was 932.44 km<sup>2</sup>.
Former towns and villages
- Hiwa
- Kuchiwa
- Saijō
- Takano
- Tōjō
Merger
- On March 31, 2005 - the towns of Hiwa, Kuchiwa, Saijō, Takano and Tōjō, along with the town of Sōryō (from Kōnu District), were merged into the expanded city of Shōbara.