was a

district A district is a type of administrative division that in some countries is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or county, counties, several municipality, municip ...

located in

Okayama Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Okayama Prefecture has a population of 1,826,059 (1 February 2025) and has a geographic area of 7,114 Square kilometre, km2 (2,746 sq mi). Okayama Prefecture ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. The district seat (under district government) was village of Monori (central Seto Town in the city of Okayama). As of 2004, the district had an estimated population of 14,945. The total area was 41.78 km². The district had only one town: *

Seto Seto may refer to: Places *Seto, Aichi, production place of Japanese pottery and venue of Expo 2005 * Seto, Ehime, facing the Seto Inland Sea * Seto, Okayama, adjacent to Okayama, in Okayama Prefecture *Seto Inland Sea of Japan *Setomaa (''Seto ...

History

* April 1, 1900 - Founded by the merger of Akasaka and Iwanashi Districts. (26 towns) * March 7, 2005 - The towns of Akasaka, Kumayama, San'yō and Yoshii were merged to create the city of Akaiwa. (1 town) * January 22, 2007 - The town of

, along with town of Takebe (from Mitsu District), was merged into the expanded city of

Okayama is the prefectural capital, capital Cities of Japan, city of Okayama Prefecture in the Chūgoku region of Japan. The Okayama metropolitan area, centered around the city, has the largest urban employment zone in the Chugoku region of western J ...

. Akaiwa District was dissolved as a result of this merger.

References

Former districts of Okayama Prefecture {{Okayama-geo-stub