was a district located in Hiroshima Prefecture, Japan.
Population
As of 2003, the district had an estimated population of 54,592 and a density of . The total area was .
Towns and villages
At the time of discontinuation of the district, there were two towns and no villages in the district.
- Miyajima
- Ōno
Mergers
- On March 1, 2003 - the town of Saeki, and the village of Yoshiwa were merged into the expanded city of Hatsukaichi.
- On November 1, 2004 - the towns of Nōmi, Ōgaki and Okimi, along with the former town of Etajima (from Aki District), were merged to create the city of Etajima.
