OSAKA
PREFECTURE大阪府

Osaka Urban Prefecture (大阪府, Ōsaka-fu, pronounced [oːsaka ɸɯ]) is a prefecture of Japan located in the Kansai region of Honshu. Osaka Prefecture has a population of 8,823,358 (as of 1 June 2019) and has a geographic area of 1,905 square kilometres (736 sq mi). 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 and second-smallest prefecture by geographic area, and at 4,600 inhabitants per square kilometre (12,000/sq mi) is the second-most densely populated after 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.