was a district in Hiroshima Prefecture, Japan.
As of 2003, the district had an estimated population of 29,682 and a density of 181.49 persons per km<sup>2</sup>. The total area was 163.55 km<sup>2</sup>.
Former towns and villages
- Kui
- Mitsugi
- Mukaishima
Mergers
- On March 22, 2005 - the town of Kui, along with the town of Daiwa (from Kamo District), and the town of Hongō (from Toyota District), was merged into the expanded city of Mihara.
- On March 28, 2005 - the towns of Mitsugi and Mukaishima were merged into the expanded city of Onomichi. Mitsugi District was dissolved as a result of this merger.