The presented article is devoted to the actual problem of regional geology — the reconstruction of the history of geological development of the Upper Paleozoic-Triassic complex in the southern part of the North Caspian. Understanding of evolution is one of the necessary conditions for improving the reliability of predicting the geological objects characteristics, the structure of which determines the possibilities for the formation of hydrocarbon accumulations. Despite the rather limited data presented mainly by 2D seismic, the authors created a tectonostratigraphic model of the region. It is based on the results of integrated interpretation of geological and geophysical information, carried out using modern methodological approaches.