Kitakyushu is a city located in Fukuoka Prefecture, Japan. As of June 1, 2019, Kitakyushu has an estimated population of 940,978, making it the second-largest city in both Fukuoka Prefecture and the island of Kyushu, after the city of Fukuoka. It is one of Japan's 20 designated cities, one of three on Kyushu, and is divided into seven wards.