1. An image playback apparatus comprising: an imaging unit for acquiring image content including still images and movies and photographing information involved in photographing a subject to create the image content; a control unit for classifying the image content into a plurality of image groups on the basis of the photographing information and for controlling an image processing and display process of organizing all still images belonging to one of the image groups into a still-image slideshow and successively playing back one or a plurality of movies belonging to the one image group and the still-image slideshow, wherein for each still image and movie it is determined whether or not a period between acquisition of an immediately prior still image or movie and acquisition of the still image or movie exceeds a period-duration threshold value, and whether or not a change in acquisition location, exceeding a change-in-acquisition-location threshold value, has occurred between acquisition of the immediately prior still image or movie and acquisition of the still image or movie, wherein if it is determined that the period exceeds the period-duration threshold value, and that a change in acquisition location has occurred and exceeds the change-in-acquisition-location threshold value, the still image or movie is assigned to an image group that is different from an image group to which the immediately prior still image or movie is assigned, and wherein a playlist menu is generated for each of the image groups and, for each group, the corresponding playlist menu includes a map as background, the map indicating acquisition locations for image content in the group.