A display device (200A,200B) configured to display an image in accordance with image data and in response to a display instruction input to an input receiving unit, the display device (200A,200B) comprising: a zoom ratio determining unit configured to determine whether a zoom ratio is set for a first image to be displayed in accordance with first image data that has been input to the display device (200A,200B); a data type determining unit configured to determine a type of the first image data; a state determining unit configured to determine an operating state of the display device (200A,200B); a display item acquiring unit configured to acquire an item that indicates information concerning the display device in accordance with the type that has been determined by the data type determining unit and the operating state that has been determined by the state determining unit; a second image creating unit configured to create a second image, the second image displaying the item acquired by the display item acquiring unit; a position adjusting unit configured, in response to a determination by the zoom ratio determining unit that the zoom ratio has been set, to adjust a display position of the second image, the position adjusting unit calculating the display position of the second image, using a distance between a bottom end of the first image and a bottom end of the second image before the zoom ratio is set for the first image, and the set zoom ratio; wherein the position adjusting unit is configured to calculate the display position of the second image by calculating the vertical y-coordinate, yp1, of the upper left corner of the second image using the following expression: yp1 = SCH/2+(SCH/2-Hs)×Z-OGH, wherein SCW represents a width of first image before zooming, SCH represents a height of first image before zooming, OGW represents a width of the second image, OGH represents a height of the second image, Hs represents a distance between the bottom end of the first image and the bottom end of the second image and Z represents the set zoom ratio; and a display unit configured to display a composite image, composited by an image compositing unit, comprised of the first image and the second image, the second image being positioned according to the display position). a zoom ratio determining unit configured to determine whether a zoom ratio is set for a first image to be displayed in accordance with first image data that has been input to the display device (200A,200B); a data type determining unit configured to determine a type of the first image data; a state determining unit configured to determine an operating state of the display device (200A,200B); a display item acquiring unit configured to acquire an item that indicates information concerning the display device in accordance with the type that has been determined by the data type determining unit and the operating state that has been determined by the state determining unit; a second image creating unit configured to create a second image, the second image displaying the item acquired by the display item acquiring unit; a position adjusting unit configured, in response to a determination by the zoom ratio determining unit that the zoom ratio has been set, to adjust a display position of the second image, the position adjusting unit calculating the display position of the second image, using a distance between a bottom end of the first image and a bottom end of the second image before the zoom ratio is set for the first image, and the set zoom ratio; wherein the position adjusting unit is configured to calculate the display position of the second image by calculating the vertical y-coordinate, yp1, of the upper left corner of the second image using the following expression: yp1 = SCH/2+(SCH/2-Hs)×Z-OGH, wherein SCW represents a width of first image before zooming, SCH represents a height of first image before zooming, OGW represents a width of the second image, OGH represents a height of the second image, Hs represents a distance between the bottom end of the first image and the bottom end of the second image and Z represents the set zoom ratio; and a display unit configured to display a composite image, composited by an image compositing unit, comprised of the first image and the second image, the second image being positioned according to the display position).