Disclosed is an image processing apparatus including: an obtaining unit which obtains an image; a first display control unit which displays the image on a display region of a display unit, the image being obtained by the obtaining unit; a rendering unit which performs rendering in the image based on an operation for an operation unit by a user, the image being displayed on the display region by the first display control unit; a specifying unit which specifies a first region closed by a boundary line rendered by the rendering unit; and a second display control unit which displays, on the display region, at least either one of an image of the first region specified by the specifying unit and an image of a second region other than the first region in the obtained image in a display mode capable of discriminating the at least either one image.