A map management device which can operate an autonomous mobile body also in a region where persons exist is provided. The map management device includes a dynamic map information generating unit which generates dynamic map information in which an obstacle is reflected on the basis of operation information on a facility obtained from a building facility management device and location information on a person obtained from a security camera or a motion detector, as map information to be used for controlling the autonomous mobile body with respect to static map information configured in advance with two-dimensional or three-dimensional grids for each floor of a building. According to this configuration, it is possible to operate the autonomous mobile body also in a region where persons exist.