Problems with the Drawing a State Border along the River Psou Section

The work deals with analysis of problems with the drawing a state border along the River Psou Section. The problem is difficult to solute due to the modern complex geopolitical situation in the Caucasus region, wrong decisions of the past and historical documents and cartographic sources with the inadequately shown reality. One of the major hampering factors is the state practice of territorial spacing of the former Soviet republics implying giving the state borders of a country having lost its independence a status of administrative borders. The main purpose of the study is to give the geographical-cartometry analysis of the historical transformations of the River Psou section of the Georgian state border. A lot of various cartographic sources, governmental Resolutions, historical and statistical data also were used as the basis of the study. Different factors as one of the main factors determining the historical change of this section of state border are discussed in the paper. The research was conducted in different main directions: the evaluation of historical transformations of state border throughout of XIX-XX centuries and in modern times, factors hampering the regulation of the state border, issue of the territorial belonging of village Aibga, etc. In order to study these issues have used different methods as well as GIS-technologies. The main results of research are determination of some issues connected with state border along the river Psou section: 1) the frequency of historical transformations; (2) the major factors causing this historical transformations; (3) incompliance between the existing cartographic sources and governmental resolutions in relation to the registration of all five districts of village Aibga, (4) the facts of incorrect depiction of the territorial belonging of the river Psou section in the XX-century scientific and statistical sources.