Osaka-kobe Metropolitan Area, The city site

The city of Osaka is situated on the delta of the Yodo River. To the east of the central city, Osaka Castle, originally built by Toyotomi Hideyoshi, stands on a northern extension of the upland (about 65 feet [20 metres] above sea level) that rises in the southern part of Osaka urban prefecture to more than 3,000 feet. The metropolitan area spreads over the deltas of the Yodo, Yamato, and other