Okayama (岡山市 Okayama-shi) is the capital city of Okayama Prefecture in the Chūgoku region and the largest city in the Chugoku Region after Hiroshima. The city was founded on June 1, 1889.
The city is an important transportation hub, being the location where the Sanyo Shinkansenmeets with the only rail connection to Shikoku. The city developed as a castle town during the Edo Period (1603-1867) and became a significant regional power.
As of February 2017, the city has an estimated population of 720,841 and a population density of 910 persons per km². The total area is 789.88 square kilometres (304.97 square miles).
The city is the site of Kōraku-en, known as one of the top three traditional gardens in Japan, and Okayama Castle, which is ranked among the best 100 Japanese castles. The city is famous as the setting of the Japanese fable”Momotarō”