This research aims to study the effect of the modern urban transformations of the desert city on its ancient cultural heritage, which is the desert palaces located in the province of valley of Righ, and this is what the latter showed of climate adaptation and interdependence with its environment represented in the oasis, forming an identity of the desert city, which began to disappear in front of the urban development that the region knows. To achieve the aim of the research, the researchers began to study the remaining of these palaces, and by drawing on old plans and pictures in addition to examining the reality that came to it today. Values The most important conclusions were represented by the fact that the socio-economic transformations around the population's concern for them, not to mention that the urban interventions on them came late and without experience, reflecting the country's orientation to a comprehensive urban development and away from sustainability.