1. An image processing apparatus adapted to display plural images recorded on a recording medium, comprising: an enlargement display unit for enlarging and displaying an image recorded on the recording medium; a storing unit for storing enlargement information including an enlargement position used for enlarging and displaying the image; an enlargement position moving unit for moving the enlargement position of the enlarged and displayed image; an image advancing instruction unit for instructing image advancing; a determining unit for determining whether a next image to be displayed should be enlarged or not by the enlargement display unit based on information of the next image to be displayed, in a case where the image advancing is instructed by the image advancing instruction unit while the image is enlarged and displayed; a first image advancing control unit for controlling the enlargement display unit to display a second image without enlarging the second image, in a case where the image advancing is instructed while a first image is enlarged and displayed, and in a case where the determining unit determines not to enlarge the second image to be displayed after the first image; and a second image advancing control unit for controlling the enlargement display unit to enlarge and display a third image based on the enlargement information used for enlarging and displaying the first image and stored in the storing unit, in a case where the image advancing is instructed while the second image is displayed by the first image advancing control unit, and in a case where the determining unit determines to enlarge the third image to be displayed after the second image.