In an installation position information providing apparatus, specific two parts in a vehicle or in a vicinity of the vehicle and a floor surface on which the vehicle is mounted are recognized from a video that is captured, an installation position of an adjustment facility in the video is calculated based on the two parts and the floor surface that are recognized, and an installation position object indicative of the installation position is displayed at the installation position that is calculated in a superimposed manner, in the video that is displayed.