Abstract: A map information update system has: a map display control apparatus; and a map information update apparatus. The map display control apparatus includes a map display control unit, a communication control unit, a map information transmission unit and a map information reception unit. The map display control unit controls the display device so as to update the map displayed on the display device based upon the updated information related to the map. The map information update apparatus includes a communication control unit, a map information update reception unit, a map display update data base unit, and an updated map information transmission unit that transmits information related to the map updated by the map information update unit to the map display control apparatus via the communication control unit.