During the late
Sengoku period, former
Nambu retainer Ōura Tamenobu was awarded
revenues of 45,000
koku by
Toyotomi Hideyoshi for his role in the
Battle of Odawara in 1590. He took the family name of Tsugaru at that time. At the
Battle of Sekigahara, he sided with
Tokugawa Ieyasu and was subsequently confirmed as lord of
Hirosaki Domain with revenues increased to 47,000
koku. In 1603, he began work on a castle in Hirosaki; however, work was suspended with his death in
Kyoto in 1604. Work was resumed by his successor,
Tsugaru Nobuhira in 1609, who stripped
Horikoshi Castle and Ōura Castle of buildings and materials in order to speed its completion. The current castle was completed in 1611. However, in 1627, the 5-story
tenshu was struck by lightning and destroyed by fire. It was not rebuilt until 1810 when the present 3-story structure was erected, but at the southeast corner, rather than the original southwest location. It was built by the 9th daimyō,
Tsugaru Yasuchika. With the
Meiji Restoration and subsequent
abolition of the han system, the Tsugaru clan surrendered the castle to the new
Meiji government. In 1871, the castle was garrisoned by a detachment of the
Imperial Japanese Army, and in 1873 the palace structures,
martial arts school and most of the castle walls were pulled down. In 1894, the castle properties were donated by the Tsugaru clan to the government for use as a park, which opened to the general public the following year. In 1898, an
armory was established in the former Third Bailey by the
IJA 8th Division. In 1906, two of the remaining
yagura burned down. In 1909, a four-meter-tall bronze statue of Tsugaru Tamenobu was erected on the site of the
tenshu. In 1937, eight structures of the castle received protection from the government as “national treasures”. However, in 1944, during the height of
World War II, all of the
bronze in the castle, including roof tiles and decorations, were stripped away for use in the war effort. In 1950, under the new
cultural properties protection system, all surviving structures in the castle (with the exception of the East Gate of the Third Bailey) were named National
Important Cultural Properties of Japan (ICP). In 1952, the grounds received further protection with their nomination as a
National Historic Site. In 1953, after reconstruction, the East Gate of the Third Bailey also gained ICP status, giving a total of nine structures within the castle with such protection. Extensive archaeological excavations from 1999-2000 revealed the foundations of the former palace structures and a
Shinto shrine. In 2006, Hirosaki Castle was listed as one of the
100 Fine Castles of Japan by the Japan Castle Foundation. In order to repair the castle's stone walls directly below the
tenshu, the entire
tenshu was relocated in autumn 2015, and will be returned to its original position by 2025 at the earliest. ==Structures and gardens==