Ansei 3 (1856) year, Edo Shogunate's command (object particle) received Nanbu Domain (subject particle), Ezochi security's sake Nanbu Muroran Jinya's Oshamanbe branch garrison as established thing.
Now also at that time's moat and earthwork's traces (subject particle) remain, neighboring region's sole early modern historical site as, 1974 year in (topic particle) nation's cultural property to also was designated.