Abstract
The old-mountainous area, a part of Serbia set on the Balkan covers the mountain Stara planina and its smaller integral totallties Zaglava, Visok and Vidlič. Though hilly-mountainous border zone this area used to be relatively densely inhabited in the past. However, in the post-war period the migration of the populiation grew to be distinct. The people moved on from the villages to the cines and from hillymountainous areas to the valleys. In the 1948 in the mountainous area lived 54,3% out of total populatIon of that area and in 1981. only 21,6%. But on the contrary, the number of the inhabitants ‘in the hilly areas has enlarged from 45,7% to 78,4% out of total population of the region Stara planina (old-mountamous area).