Аннотация:The study is aimed at solution of a fundamental problem concerning character and specifics of ethno-cultural situation in North Caucasus at ancient and medieval times. The investigation is based on the complex approach: the comparing of archeological, paleoanthropological and paleogenetic data. The originality of the Caucasus consists in the fact that all principal local variants of the southern Caucasoids namely the Pontic, the “Caucasion”, the Caspian and the Near Eastern 1 are represented on the territory. Permanent relations between the Caucasian mountaineers and the nomadic world of the Eurasian steppes became the major factor of the ethnogenesis of the Caucasian nations. We’ve dealt with one group of the Iran-speaking population - osetins. Early Iranian migrations were investigated by computational geographic mapping elaborated by pr. Yu. Rychkov (Map Developer Studio). The integral gene pool maps were created by mapping of principal components computed on the frequencies of all analyzed genes. The introduction of computational genogeografic mapping to archeological studies has greatly enhanced their research capability. With the use of the continuous interpolation functions (spline interpolation, average weight interpolation) it became possible to create quantitative models for the distribution of a number of the mass archeological materials’ leading forms and compare them. Interesting results nave been also obtained by means of the transformation of maps showing the number of leading types and attributes in conjunction with other categories of the inventory thus creating the generalized map showing movement of several groups of warriors in I mill. AD. In our report we will show and compare a series of genogeographic and archeological maps. Historical and archeological conclusions will be compared with the results of systematic studies of craniological series and mtDNA of the modern aboriginal populations of the Caucasus and polymorphism of the early mtDNA as well