Osaka Castle (大阪城) is a Japanese castle which is in Osaka Prefecture. Most structures are made of wood. It is sometimes called kinjo (金城、錦城), because there are some gold arts in Osaka Castle. It is one of Japan's "Three Famous Castles." (The other castles are Himeji Castle and Kumamoto Castle.
Toyotomi Hideyoshi made people build Osaka castle in 1583 (天正11年). In 1620, Tokugawa Hidetada started to rebuild Osaka Castle and it finished in 1629. Osaka Castle had been destroyed by fire twice. First, The Summer Battle of Osaka (大阪夏の陣) in 1645. Second, during World War II.
In 1948, Osaka castle's restoration was started. Now Osaka Castle tower is symbol of Osaka town.