The present invention is concerning to an image management system that communicates with a first communication terminal via a communication network, the image management system comprising: an image storage unit configured to store image data; a receiving unit configured to receive, from the first communication terminal, link information that includes image identification information for identifying the image data and includes predetermined-area information that indicates a predetermined area in the image data; and a transmitting unit configured to transmit, to the first communication terminal, the image data that is indicated by the image identification information included in the link information received by the receiving unit and the predetermined-area information included in the link information.