Inaba Province was a former province in the area that is today the eastern half of Tottori Prefecture in the San'in region of Japan. Inaba was bordered by Hōki, Mimasaka, Harima and Tajima Provinces. Its abbreviated form name was Inshū (因州). In terms of the Gokishichidō system, Inaba was one of the provinces of the San'indo circuit. Under the Engishiki classification system, Inaba was ranked as one of the 35 "superior countries" (上国) in terms of importance, and one of the "near countries" (近国) in terms of distance from the capital. The provincial capital was located in what is now the city of Tottori. The ichinomiya of the province is the Ube shrine also located in the city of Tottori.

Tottori Prefecture is a prefecture of Japan located in the Chūgoku region of Honshu. Tottori Prefecture is the least populous prefecture of Japan at 538,525 (2023) and has a geographic area of 3,507.13 square kilometres (1,354.11 sq mi). Tottori Prefecture borders Shimane Prefecture to the west, Hiroshima Prefecture to the southwest, Okayama Prefecture to the south, and Hyōgo Prefecture to the east.