1. An electronic album editing apparatus comprising: a retrieval unit that retrieves image data which are similar to each other, from a plurality of image data stored on a storage medium; a display control unit that controls a display to display a plurality of image data retrieved by the retrieval unit such that at least one of the plurality of retrieved image data is displayed as representative similar image data in an editing area corresponding to a page of an electronic album and the plurality of retrieved image data other than the representative similar image data, comprising similar image data, are displayed in an evacuation area which is provided independently of the page of the electronic album; a similar image designation unit that designates the similar image data displayed in the evacuation area; and a replacement instruction unit that inputs a replacement instruction of the similar image data designated by the similar image designation unit, wherein in response to the input of the replacement instruction, the display control unit controls the display to display the designated similar image data in the editing area and display the representative similar image data related to the designated similar image data in the evacuation area.