Colonel of the Russian army Stephan Burnashev was appointed as the Special Envoy (commissioner) of the queen Catherine II at the court of the King of Kartl-Kakheti kingdom Erekle (Heraklius) II and the king of Imereti Solomon I by the royal court of the Russian empire in spring of 1783.

This paper is devoted to on the reconstruction of the political history of the Avarians and Interethnic Relations in the North Caucasus. Sarir arose on the basis of possessions Tsuketi eristavi. Christianization of Sarir can be based from Georgia and Turkic territories. The origin of the rulers Sarir from the Persians and the legend of the Sassanid throne are legend.

This paper is dedicated to the reconstruction of ethnic and political history of the Nakhs in the Middle Ages and Early Modern Times. Nakhs long been subtly chroniclers and geographers. Several of the Nakh tribes were known mainly Georgians and Armenians. Only a few Arab geographers knew the Nakhs, also through the mediation of the Georgian apprehended them etnonim Durdzuks to refer to the Nakhs.

In 2017 the TEAS Press published a book in Baku: "The Eighteenth Century Caucasus through the Eyes of a Russian Secret Agent". The edition contains the Russian army colonel, S. Burnashev's three works: 1. "The Picture of Georgia, or the Description of the Political Situation of Kartli and Kakheti Kingdoms", 2. "The Description of Azerbaijani Countries in Persia and Their Political Situation", 3. "Description of the Mountain Peoples". The above mentioned publication is very important for the scientists, who work on the history of the Caucasus of the second half of the eighteenth century.