Chūka, Okayama
Chūka was a village located in Maniwa District, Okayama Prefecture, Japan.
As of 2003, the village had an estimated population of 800 and a density of 16.76 persons per km². The total area was 47.73 km².
On March 31, 2005, Chūka, along with the town of Hokubō, and towns of Katsuyama, Kuse, Ochiai and Yubara, and the villages of Kawakami, Mikamo and Yatsuka were merged to create the city of Maniwa.
