Patent ID: 8560228

Claim:
A method of displaying Points of Interest (POIs) on a display of a navigation system configured to display maps at different map scales, the method comprising: determining a map section to be displayed at a particular map scale on the display, the map section comprising a plurality of map regions each having a predetermined size; accessing a database having stored POI data comprising a plurality of POIs and a substitute POI, a portion of the plurality of POIs comprising more than a threshold number of POIs located in a map region, the substitute POI being associated with the map region and representative of the portion of the plurality of POIs; retrieving from the database a portion of the POI data associated with the map section to be displayed, where retrieving the portion of the POI data comprises retrieving the substitute POI instead of the portion of the plurality of POIs represented by the substitute POI in dependence on the particular map scale; and transmitting display data for receipt by the display, the display data indicative of the map section and retrieved POI data, where the substitute POI is transmitted for display as a substitute for the portion of the plurality of POIs represented by the substitute POI.