WEBKitakyushu (Japanese: 北九州市, Hepburn: Kitakyūshū-shi) 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 …