Osaka is an important Japanese city and port, located in the main island of Honshū. It is part of the Osaka - Kobe - Kyoto metropolitan area. Osaka has a population of 2.5 million.
The famous Osaka Castle, started in 1583, has a museum that documents Toyotomi Hideyoshi's life and the history of the castle.
Osaka Imperial University was inaugurated as the sixth imperial university in Japan in 1931.
Several major companies are based in Osaka like Mitsubishi, Sanyo, Suntory and Sumitomo Group.
