Toyotomi Hideyoshi, after conquering Ki-shu (Wakayama), built a castle at the present location in defense of Osaka Castle. It took only one year to complete the construction. His younger brother, Hidenaga, was designated as the lord.
Kuwayama Shigeharu became the acting Lord.
Asano Yoshinaga became the lord. The castle tower and the stone walls were renovated.
Tokugawa Yorinobu, the first shogun's tenth son, became the lord. The castle was renovated into much more luxurious one as a residence for one of three branch families of the house of Tokugawa.
Almost all the buildings were burned down in a fire caused by lightning. Rebuilding was permitted exceptionally.
A new era named "Meiji" stared. Samurai including Tokugawa families lost their power.
The castle was abolished.
Almost all the castle buildings were burned down by a fire caused by an air raid in the world war II.
The castle tower was reconstructed with concrete accurately based on its original design with financial support from many people in Wakayama.
The main gate and its bridge were reconstructed.
The corridor bridge was reconstructed.