This thesis treats the architecture of a traditional village in the southern pre-Sahara in Morocco, with the aim to understand the origins and development of traditional architecture in this region in its cultural and historical context. The village chosen here as representative example is the ksar of Asrir do Ilemchane in the Drâa Valley. This settlement is a highly specific example of fortified agglomeration of living houses with central light shafts.Beyond a general designation as "Berber architecture", this study aimed to understand the enigma of its origin through a detailed and comprehensive analysis of the village architecture. To this end, we tried to distinguish the individual contributions of its dwellers, divided into two main gr...