An apparatus for giving a title to a captured image includes a unit for storing a captured image group including a plurality of captured images, a unit for storing an image capturing time when each of the stored images is captured, a unit for judging an image capturing period and an image capturing season including the stored image capturing time, a unit for storing terms respectively related to a plurality of periods with different time widths each of which includes a period and a season, the term corresponding to the period and the season, and a unit for giving a title to the stored captured image group by using a term related to a period of a wider time width out of the stored terms as a difference between the image capturing time and either the image capturing season or the acquired output time, whichever is longer.