To realize an image-displaying device which suppresses deterioration in convenience to users even if the number of displayable images increases.

The image-displaying device is provided with; an operation part 9 for inputting a user's instructions relating to a displaying mode or the like; a storage part 10 which stores inputted image data or the like; an image-extracting part 11 which extracts the image data stored in the storage part 10 based on a prescribed standard and groups the extracted data; a displaying part 12 which has an image-displaying area 12a which displays selected images corresponding to selected image data and an image-selecting area 12b; and a control part 13 which controls a driving state of each constituent element including a displaying mode of the displaying part 12. A display control part 16, which is provided in the control part 13, has a function for adequately changing between an all-image mode, which makes image data correlated with positions on the area-selecting area 12b all displayable image data, and a grouped-image mode which makes the image data correlated with positions on the area only the image data grouped by the image-extracting part 11.