was a castle that existed between the Nanboku-chà  period and the Sengoku period. Its ruins are located in the present-day city of Gifu, Gifu Prefecture, Japan. An alternative way to write its name in Japanese is 驿ÂÂÃ¥ÂÂ, which has the same pronunciation. It replaced Nagamori Castle as the base of operations for the area and served as home for regional shugo until Saità  Dà Âsan switched to Inabayama Castle. After its demolition, earthen mounds still remained, but they, too, were broken down to help with the construction of Kanà  Castle.