Concept
is a prefecture of Japan located in the Kansai region of Honshu. Osaka Prefecture has a population of 8,778,035 () and has a geographic area of . Osaka Prefecture borders Hyōgo Prefecture to the northwest, Kyoto Prefecture to the north, Nara Prefecture to the southeast, and Wakayama Prefecture to the south. Osaka is the capital and largest city of Osaka Prefecture, and the third-largest city in Japan, with other major cities including Sakai, Higashiōsaka, and Hirakata. Osaka Prefecture is the third-most-populous prefecture, but by geographic area the second-smallest; at it is the second-most densely populated, below only Tokyo. Osaka Prefecture is one of Japan's two "urban prefectures" using the designation fu (府) rather than the standard ken for prefectures, along with Kyoto Prefecture. Osaka Prefecture forms the center of the Keihanshin metropolitan area, the second-most-populated urban region in Japan after the Greater Tokyo area and one of the world's most productive regions by GDP. Historic Sites of Osaka Prefecture and Osaka#History Prior to the Meiji Restoration, the modern-day area of Osaka Prefecture was split between Kawachi, Izumi, and Settsu provinces. Osaka Prefecture was created on June 21, 1868, at the very beginning of the Meiji era. During the instigation of Fuhanken Sanchisei in 1868, the prefecture received its suffix fu, designating it as a prefecture. On September 1, 1956, the city of Osaka was promoted to a city designated by government ordinance and thereby divided into 24 wards. Sakai became the second city in the prefecture to be promoted to a city designated by government ordinance on April 1, 2006, and was divided into seven wards. In 2000, Fusae Ota became Japan's first female governor when she replaced Knock Yokoyama, who resigned after prosecution for sexual harassment. Tōru Hashimoto, previously famous as a counselor on television, was elected in 2008 at the age of 38, becoming the youngest governor in Japan. On June 18, 2018, an earthquake struck the northern region of the prefecture.