Higashi-ku (東区?) is one of four wards of Okayama, Okayama Prefecture, Japan. The ward has an area of 160.28 km² and a population of 96,718. The population density is 603 per square kilometer. The name means "East Ward."
The wards of Okayama were established when Okayama became a city designated by government ordinance on April 1, 2009.
Coordinates: 34°39′30″N 134°2′11″E / 34.65833°N 134.03639°E