International audienceIn southwestern France, and particularly in the departments south of the Garonne, research on protohistoric habitat has remained deficient.However, the area has a remarkable potential for study, as illustrated by the many “protohistoric” fortifications mentioned above. In order tochange the situation, a Research project dedicated to metal ages fortified settlements (FORTIPOLIS) was launched in 2016. The aim was a betterunderstanding of the defensive systems, function and chronology of these settlements during Protohistory. After updating the inventories in andatabase, the field researches focused on the acquisition of new surveys (GPS, Lidar), site checks and excavations. The first results reveal a greatdiversity of de...