Provided is an image forming apparatus with which, in selecting one of plural processing image areas in one image, even an inexpensive display unit will not lower the convenience. An information processing part of image forming apparatus includes a division number questioning part, answer receiving part, image dividing part, key highlighting part, processing image selection part, and reporting display part. Division number questioning part makes a question about a required image division number. Answer receiving part receives an answer. Image dividing part displays image, dividing it into plural processing image areas by the required image division number answered. Key highlighting part highlights keys corresponding to processing image areas. Processing image selection part selects processing image area corresponding to a key operated, as processing object. Upon a highlighted key being operated, reporting display part reports that processing image area corresponding to that key is selected as processing object.