The image processing device according to the invention includes: a first acquisition unit to acquire a captured image; a display control unit to display a setting screen to allow to user to set an image processing area, which is an area where predetermine image processing is performed, in the image acquired by the first acquisition unit on a display device; and a second acquisition unit configured to acquire movable range information indicating a movable range of a working device, operations of which are controlled on the basis of a result of the predetermined image processing. The display control unit controls the display of the setting screen so as to cause the user to identify a range in which the working device is not able to operate in the image, on the basis of the movable range information acquired by the second acquisition unit.