The purpose of this paper is to clarify the structural characteristics of maintenance system of Edo Castle moats based on the historical records for Fushin-bugyo’s daily operations. First, in order to set the subject of this paper's analysis, the spatial configuration of Edo castle moats is examined and the Fushin-bugyo’s management responsibilities and jurisdictional divisions on the moats are organized. Second, the multi-layered castle moats maintenance system is clarified from the aspect of management by the fushin-bugyo and the actual maintenance labor. In conclusion, the spatial characteristics of the castle moats and its duration are discussed.
