Mobile communication system

To provide a mobile communication system which can distribute area information from a radio Node to a mobile terminal in a unit of cell. [SOLVING MEANS] A mobile communication system comprising: a radio Node 30 having a plurality of cells; host apparatus 10, 20, 50 connected to the radio Node 30 so as to be able to communicate information with the radio Node 30; and a mobile terminal 40 receiving information distributed from the radio Node 30, wherein area information different for each cell is distributed from the radio Node 30 to the mobile terminals 40 existing in the cell included in the radio Node 30, the area information is transmitted, together with control information including type information added according to a content of the area information, from the host apparatus 10, 20, 50 to the radio Node 30, and the cell to be distributed with the information is determined based on the type information.