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 ...

. As of 2003, the district had an estimated population of 13,546 and a

density Density (volumetric mass density or specific mass) is the ratio of a substance's mass to its volume. The symbol most often used for density is ''ρ'' (the lower case Greek letter rho), although the Latin letter ''D'' (or ''d'') can also be u ...

of 30.70 persons per km². The total area was 441.28 km².

Towns and villages

* Ōsa * Shingō * Tessei * Tetta

Merger

* On March 31, 2005 - the towns of Ōsa, Shingō, Tessei and Tetta were merged into the expanded city of

Niimi is a city located in northwestern Okayama Prefecture, Japan. , the city had an estimated population of 27,106 in 12,626 households. and a population density of 34 persons per km2. The total area of the city is Geography Niimi is located on a k ...

. Therefore, Atetsu District was dissolved as a result of this merger.

References

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