Harima Province (播磨国, Harima no kuni) or Banshū (播州) was a province of Japan in the part of Honshū that is the southwestern part of present-day Hyōgo Prefecture.[1] Harima bordered on Tajima, Tanba, Settsu, Bizen, and Mimasaka Provinces. Its capital was Himeji.
During the Edo period of Japanese history, the Akō Domain (fief) was part of Harima. The Forty-seven rōnin were samurai of Akō han. IHI Corporation, a shipbuilder and major Boeing engine subcontractor gets its name from the province.