1. System for remotely determining the position of a selected category of items of interest in a selected geographic vicinity from a database, the system comprising (A) a database for storing information about a plurality of items of interest, the information including, for each of the items of interest, positional coordinates, a geographic vicinity, and at least one associated category, (B) a communications link for communicating between a user of the system and the database, (C) means for transmitting a portion of the information in the database to a user via the link upon receipt of a request signal representative of a selected category and geographic vicinity, the transmitted portion of the information including identification of a position for the items of interest within the selected category and geographic vicinity, and (D) a port for remotely accessing the portion of information via the link, the port generating the request signal in response to inputs by a user which are representative of the selected category and geographic vicinity, the port having a user interface for accepting the inputs and for indicating to the user the position of each of the items of interest in the selected category and geographic vicinity.