Geography is a science and an extensive discussion of the various aspects of this important branch of science in geography at the border. Suggests that the separation factor and the other is a unit composed of political units. or the war in Yugoslavia and the events in Sudan and the international system have undergone a major transformation and change in global power is emerging. Believers and some analysts believe it will change the borders and create a world without borders and can be experienced، is always securing the borders and not only provides a state and territory also has a major role in relations between the countries. This paper, based on the methodology specified political units, geopolitical issues and the information collected documents, studies and comparative analysis of concepts and experience a change in the functioning of the border is not done.