Osaka Fu Postal code

Osaka Prefecture is a prefecture of Japan that is in the Kansai region on the island of Honshu. There are 8,823,358 people in Osaka Prefecture as of June 2019. It has a total area of 1,905 square miles (736 sq mi). Osaka Prefecture is near Hyogo Prefecture to the northwest, Kyoto Prefecture to the north, Nara Prefecture to the southeast, and Wakayama Prefecture to the south. It also borders Hyogo, Kyoto, Nara, and Wakayama. Osaka is the capital and largest city of Osaka Prefecture, and it is the third-largest city in Japan. Sakai, Higashisaka, and Hirakata are also big cities in the area. Osaka Prefecture is the third-most-populous prefecture in Japan, but it is the second-smallest by area. At 4,600 people per square kilometre (12,000 people per square mile), it is the second-most densely populated prefecture, after Tokyo. Osaka Prefecture is one of two "urban prefectures" in Japan that use the word fu instead of the standard ken to refer to prefectures. It is one of two "urban prefectures" in Japan. As a whole, the Keihanshin metropolitan area is the second-most-populated urban area in Japan, after the Greater Tokyo area. It is also one of the world's most productive areas by GDP.