An HMD includes an image display unit configured to display objects in a display region (VR) overlapping with outside scenery; a storage unit configured to store a process flow data to be used for selecting the objects to be displayed in the display region (VR); and a control unit configured to select any of the objects to be displayed in the display region (VR), based on the selection information, and to control display positions of the objects in a depth direction of the display region (VR) so that a display position of a selected object is different from a display position of another object to be displayed in the display region (VR).