A geographic information providing system in a personal webpage is disclosed. The geographic information providing system can include a GPS information storing unit, receiving GPS coordinate information related to a location of a user and additional information from a mobile communication terminal and storing the received GPS coordinate information and additional information; a map data loading unit, loading map data having a location corresponding to the GPS coordinate information if a request to access the stored GPS coordinate information and additional information is received; and a temporary layer generating controlling unit, generating a temporary layer to mark the location corresponding to the GPS coordinate information on a loaded map in a form capable of being identified by the user and providing control information for displaying the location corresponding to the GPS coordinate information.