This article explores several aspects of the Border Phenomenon, such as philosophical, gnoseological, cultural, historical, and practical. Border aspects are treated in the historical civilization and evolutionary aspects. Based on the border analysis in the historical aspect, the authors came to the conclusion that Border, having undergone a long evolutionary way from the borders of tribal society to those of the modern national state, played an important role in ensuring safe functioning of the society, human life, activity of the state, international community development. In the situation of the present-time globalization process, innovative and digital revolution and formation of a new world order the Border is under pressure of new challenges and threats. In its turn, this requires that the state of develop modern forms and methods of border functioning.