A display device includes a display, a position detector, a storage device and an electronic control unit that are provided in a vehicle. The electronic control unit is configured to control the display such that a map view is shown on the display on the basis of a map information, control the display such that an image indicating a position of the vehicle, detected by the position detector, is superimposed on the map view shown on the display, acquire information about a traveling status of the vehicle, determine whether a user of the vehicle is getting lost on the basis of the information about the traveling status of the vehicle and the map information, and, when the electronic control unit determines that the user is getting lost, control the display such that the scale of the map view shown on the display is set to a predetermined value or larger.