was a

town A town is a type of a human settlement, generally larger than a village but smaller than a city. The criteria for distinguishing a town vary globally, often depending on factors such as population size, economic character, administrative stat ...

located in Aida District,

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 town had an estimated

population Population is a set of humans or other organisms in a given region or area. Governments conduct a census to quantify the resident population size within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and pl ...

of 3,625 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 57.17 persons per km². The total area was 63.41 km². On March 31, 2005, Aida, along with the towns of Mimasaka (former), Ōhara and Sakutō, the village of Higashiawakura (all from Aida District), and the town of Katsuta (from Katsuta District), was merged to create the city of Mimasaka. In the 1990s, Aida's

TI Circuit Okayama International Circuit (岡山国際サーキット), formerly known as TI Circuit Aida (TIサーキット英田) before 2005, is a private motorsport race track in Mimasaka, Okayama Prefecture, Japan. TI was the abbreviation of "Tanak ...

hosted two

Formula One Formula One (F1) is the highest class of worldwide racing for open-wheel single-seater formula Auto racing, racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The FIA Formula One World Championship has been one ...

races called the Pacific Grand Prix.

Geography

Adjoining municipalities

** Mimasaka (town) ** Sakutō ** Wake ** Saeki ** Bizen **

Misaki Misaki (, "misaki") are a collective term for spirit-like existences in Japan like gods, demons and spirits, among other supernatural entities. Their name comes from a kannushi's vanguard. Summary Misaki are subordinate to the high-ranking di ...

Education

*Aida Elementary School *Aida Junior High School

Transportation

Road

National highways National Highways (NH), formerly Highways England and before that the Highways Agency, is a State-owned enterprise, government-owned company charged with operating, maintaining and improving Roads in England, motorways and major A roads in Eng ...

: ** Route 374 * Prefectural roads: **Okayama Prefectural Route 46 ( Wake-Sasame- Sakutō) **Okayama Prefectural Route 90 ( Akō- Saeki) **Okayama Prefectural Route 362 (Iden-Yūka) **Okayama Prefectural Route 379 (Dōdō-Kashimura) **Okayama Prefectural Route 414 (Fukumoto-Wake) **Okayama Prefectural Route 426 (Tama-Takimiya)

Notable places and events

Okayama International Circuit Okayama International Circuit (岡山国際サーキット), formerly known as TI Circuit Aida (TIサーキット英田) before 2005, is a private motorsport race track in Mimasaka, Okayama Prefecture, Japan Japan is an island country ...

*Chōfukuji Temple

References

External links

Official website of Mimasaka
in Japanese Dissolved municipalities of Okayama Prefecture Mimasaka, Okayama {{Okayama-geo-stub