A navigation apparatus includes storage configured to store a graphic map and a photographic map, a controller configured to control to convert the photographic map into the graphic map to display the graphic map when the photographic map and actual topography or the photographic map and the graphic map include mutually different positions in a photographic map display mode, and a display configured to display the graphic map or the photographic map and display a current position of a vehicle on the graphic map or the photographic map.