Hirosaki Castle (弘前城) is one of 12 existed original castle that remains since Sengoku period. It is located in Hirosaki, Aomori. Hirosaki castle was constructed in 1611 by Tsugaru Tamenobu and his son Nobuhira. The gates and keeps, including Tenshukaku are the original construction built in the early Edo period. It is one of the most popular Sakura Castle in Japan. In early May, about 2,600 Sakura bloom beautiful flowers.