There is provided an installation location management system includes a management device (MD) and an information processing device (IPD). A MD includes a map information memory storing map information associating coordinate information with character string information, a map image information output unit outputting the information to the IPD, a coordinate information receiving unit receiving IPD'S coordinate information from the IPD, a character string information obtaining unit using the map information and the coordinate information and a character string information transmitting unit sending the information to the IPD. A IPD includes a map image information receiving unit, a map image output unit using the map image information, a coordinate information receiving unit receiving an input of the coordinate information about the IPD, a coordinate information transmitting unit sending the information to the MD, a character string information receiving unit and a character string information memory.