is a district located in Okayama Prefecture, Japan.
As of 2025, the district has an estimated population of 1,318. The total area is 57.93 km2.
Towns and villages
Aida District consists of the following village: Nishiawakura
History The district has existed from April 1900.
Prior to March 31, 2005, Aida District included
Aida Higashiawakura Mimasaka Nishiawakura Ōhara Sakutō
On that date, all but Nishiawakura merged to form the new city of Mimasaka.
References