Taga-jo Castle, 724, medieval period, Miyagi gun, former site of Taga-jo Castle, Mutsu Kokufu, kokufu function moved to kokushi's residence in the vicinity in mid 10th century
多賀城神亀元年（724年）中世宮城郡多賀城跡陸奥国府。10世紀中頃には国府機能は周辺の国司館に移動。