To acquire map data in a desired system based on geographical information and to retrieve/acquire desired information related to a map.

In the retrieval/acquirement method of geographical information for obtaining map data through a communication means, geographical information is stored in a geographical information data base 5 as space position information and attribute information. Then, desired information is obtained by designating items required for generating the map such as a map name, map constitution elements, the display colors of the respective map constitution elements and a display range and the like or designating the retrieval, extraction, operation, analysis and simulation of geographical information and the information supply system with indication information.