Miyazaki is the capital city of Miyazaki Prefecture on the island of Kyushu in Japan. As of 1 September 2023, the city had an estimated population of 397,381 in 187859 households, and a population density of 620 persons per km2. The total area of the city is 643.67 km2 (248.52 sq mi).

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.