Naka-ku is one of four wards of Okayama, Okayama Prefecture, Japan. The ward has an area of 51.24 km2 and a population of 138,949. The population density is 2,711 inhabitants per square kilometer. The name means "Central Ward."
The wards of Okayama were established when Okayama became a city designated by government ordinance on April 1, 2009.
Wikipedia https://en.wikipedia.org/wiki/Naka-ku,_Okayama
Coordinates 34°40'1.394" N 133°57'14.166" E
