was a district located in Hyōgo Prefecture, Japan.
As of 2005, the district had an estimated population of 11,500, and the total area was 58.21 km2.
Former towns and villages Awaji Goshiki Higashiura Hokudan Ichinomiya Tsuna
Mergers On April 1, 2005 - the former town of Awaji absorbed the towns of Higashiura, Hokudan, Ichinomiya and Tsuna to create the city of Awaji. On February 11, 2006 - the town of Goshiki was merged into the expanded city of Sumoto. Tsuna District was dissolved as a result of this merger.
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