A display device includes a display, a camera that captures images of an outside scene, a pointer recognizing section, a target recognizing section, and a display control section configured to display, on the display, a target related image, which is an image related to a target recognized by the target recognizing section. The display control section includes a related display configured to display, on the display, related information related to the target related image when a movement of a pointer within a range overlapping the target related image is recognized by the pointer recognizing section and a display processing section configured to change a display state of the target related image according to whether the target related image is present within an imaging range of the camera.