This book gives the features of the borders of Republic of Macedonia thoroughly elaborated from physical, social, and geostrategic aspect of geography. It consists of three hundred pages of text, 12 graph tables, 10 maps in colour, one of which is a topographic map of A0 paper size and another one of B0 paper size, then 4 longitudinal section-profiles of the borders given in scale, 69 numbered tables and 5 sketch maps.