The heritage of military architecture brings together many fields; it’s been called an “inexhaustible source of research and perspectives” for architects, engineers, archaeologists, historians, and operators in the field of cultural heritage. The subject of knowledge and valorization of fortification works presupposes a multidisciplinary approach aimed at recognizing the different values found in the constructions. Only recently has there been an awareness of the importance of this heritage, which is in constant danger; such attention has helped in defining a series of international strategies “for the protection, conservation, interpretation and preservation of fortifications and military heritage” (ICOMOS Guidelines on fortifications and military heritage, 2021). FORTMED 2023 moves within this rich cultural context in the belief that the dissemination of data is the essential tool for sharing knowledge. The international conference Fortifications of the Mediterranean Coast, FORTMED 2023, opens its sixth edition in Pisa. The conference, organized by the Dipartimento di Ingegneria dell’Energia, dei Sistemi, del Territorio e delle Costruzioni (DESTeC) of the University of Pisa, in collaboration and with the contribution of the Municipality of San Giuliano Terme, will be held on March 23, 24, and 25, 2023, at the Centro Congressi Le Benedettine.