Navigation Device

The present invention is to provide a navigation device that can ensure easiness of viewing the screen even when predetermined comments are displayed in addition to icons. A navigation device (1) includes a present location acquirer (2) that acquires own present location information, a map storage (3) that stores map information including road information and facility information, an icon storage (4) that stores an icon (A) showing the facility information, and a display controller (7) that controls the display form of the map information and the icon A that are displayed on a display section (8). The navigation device (1) includes a comment storage (5) that stores a comment (C) as text information relating to the map information. The comment (C) includes comment characters (Cf) and a comment frame (Cr) surrounding the comment characters (Cf). The display controller (7) makes the display range of the comment frame (Cr) transparent and varies the shape of the area of the display range to a displayable range, and the display controller (7) displays the comment (C) composed of the text information that matches the shape.