Okayama (ōkä´yämä), city (1990 pop. 593,730), capital of Okayama prefecture, SW Honshu, Japan, on an inlet of the Inland Sea. It is a railroad hub and industrial and marketing center. Machinery, cotton textiles, chemicals, and rubber goods are produced in Okayama. The city has a 16th-century feudal castle, an 18th-century park, and Okayama Univ., which has a famous medical college. Okayama prefecture (1990 pop. 1,925,913), 2,721 sq mi (7,047 sq km), which relies mainly on agriculture, has an oil refinery and automobile, petrochemical, and steel industries.
"Okayama." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 25, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/okayama
"Okayama." The Columbia Encyclopedia, 6th ed.. . Retrieved September 25, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/okayama