Ōsaka-Kōbe metropolitan area   Ōsaka is the capital of Ōsaka
urban prefecture (fu), an administrative division that includes
the city of Ōsaka, a number of smaller cities, and large rural
areas. Kōbe is the capital and largest city of Hyōgo prefecture
(ken) and one of Japan’s chief ports. There are many satellite
industrial and residential cities around the two central cities.
Pop. (2005 est.) 11,268,000.  Physical and human geography  The
landscape  The city site  The city of Ōsaka is situated on the
delta of the Yodo River. To the east of the central city, Ōsaka
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 Ōsaka urban
prefecture to more than 3,000 feet. The metropolitan area
spreads over the deltas of the Yodo, Yamato, and other rivers
and into their diluvial uplands. The area is bounded by the
Ikoma Mountains in the east, the Izumi Mountains in the south,
and the Rokkō Mountains in