Aida District, Okayama

Location of Aida District in Okayama Prefecture

Aida (英田郡, Aida-gun) is a district located in Okayama Prefecture, Japan.

As of 2025, the district has an estimated population of 1,318.^[1] The total area is 57.93 km².^[2]

Towns and villages

Aida District consists of the following village:

• Nishiawakura

History

The district has existed from April 1900.^[3]

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

1. "2025年4月調査　市町村別　人口・世帯数（日本人住民＋外国人住民）" (PDF). Retrieved 6 July 2026.
2. "市町村別面積" (PDF). Retrieved 7 July 2026.
3. "国立国会図書館デジタルコレクション". dl.ndl.go.jp. Retrieved 2026-07-06.

35°10′N 134°20′E / 35.167°N 134.333°E / 35.167; 134.333