Navigation system

A navigation system for displaying guidance in accordance with map data is provided. The navigation system includes a landmark displaying device (1) for displaying structures corresponding to the map data as landmarks (15, 20, 20A-20F). The landmark displaying device (1) sets reference positions (21, 21A-21F) in the landmarks (15, 20, 20A-20F) and determines the location and direction of a landmark (15, 20, 20A-20F) so that it would face to a road (14, 23, 24) nearby.