1. An apparatus comprising: a key designating unit configured to designate a key for searching for an image; an acquiring unit configured to acquire attribute information based on the designated key and image information on an image having the attribute information; and a group information display unit configured to display an amount of images classified into a group corresponding to the attribute information based on the acquired attribute information and the acquired image information, wherein the group information display unit displays an amount of images belonging to each of a plurality of groups within one display screen.