noun
Okayama (city, prefecture)
Refers to the city of Okayama or Okayama Prefecture in western Japan.
岡山は桃の産地として有名です。
Okayama is famous as a peach-producing region.
The name 岡山 (Okayama) is a place name; its origin is uncertain but likely refers to a hill (岡) and mountain (山) in the area.