1. An electronic apparatus comprising: a display comprising a first display mode in which a plurality of images are displayed alongside each other; and at least one processor that determines an importance of an image and determines a display size of each of the plurality of images, wherein the at least one processor increases the display size of an image as the importance of the image is higher, and wherein the at least one processor performs a first judgment of whether a target image whose importance is to be determined is a first captured image captured by an apparatus other than the electronic apparatus and, when the target image is the first captured image, the at least one processor performs a second judgment of whether the electronic apparatus is in a place in which the target image was captured and, based on a result of the second judgment and the result of the first judgment, determines the importance of the target image.