In the Akita Domain, Odate-jo Castle and Yokote-jo Castle (both were burnt down in the Boshin War) were exception to disposal, as a result, the domain was allowed to have three castles in total, which were the above-mentioned two castles along with Kubota-jo Castle.
秋田藩では大館城と横手城（共に戊辰戦争で焼失）が対象外となり、久保田城と合わせて合計3城を持つことを許された。