An information processing device connected to a display device capable of varying display contents according to display directions, the information processing device including: a position information acquiring unit to acquire position information on an object within a range from which the display device is viewable; a display direction determining unit to determine, based on the position information, a first display direction in which a first partial area of the display device is viewable from a position of the object and a second display direction in which a second partial area of the display device is viewable from the position of the object; and a display control unit that causes the display device to display contents so that the contents are displayed in the first display direction in the first partial area and the contents are displayed in the second display direction in the second partial area.