Saiki, Ōita
Saiki is a city located in Ōita Prefecture, Japan. The city was founded on April 29, 1941.
On March 3, 2005, Saiki merged with the towns of Kamae, Kamiura, Tsurumi, Ume and Yayoi, and the villages Honjō, Naokawa and Yonōzu to create the new and expanded Saiki City. Minamiamabe District was dissolved as a result of this merger.
As of March 2017, the new city has an estimated population of 73,546 and a population density of 81 persons per km2. The total area is 903.44 km2, making it the largest city by area in Kyushu.In the sister city program, Saiki is twinned with the Australian port city Gladstone, Queensland, as well as a sister city with Handan, China.