Miyazaki Prefecture is a prefecture of Japan located on the island of Kyūshū. Miyazaki Prefecture has a population of 1,073,054 as of 1 June 2019 and has a geographic area of 7,735 km2. Miyazaki Prefecture borders Ōita Prefecture to the north, Kumamoto Prefecture to the northwest, and Kagoshima Prefecture to the southwest.

Hyūga Province was a province of Japan in the area of southeastern Kyūshū, corresponding to modern Miyazaki Prefecture Hyūga bordered on Ōsumi to the south, Higo to the west, and Bungo to the north. Its abbreviated form name was Kōshū (向州), although it was also called Nissshū (日州). In terms of the Gokishichidō system, Hyūga was one of the provinces of the Saikaidō circuit. Under the Engishiki classification system, Hyūga was ranked as one of the "middle countries" (中国) in terms of importance, and one of the "far countries" (遠国) in terms of distance from the capital.