This article studies 3 landscape sectors out of which 2 are main – (Samur-Valvalachay – humid and Atachay-Sumgaitchay – arid) and one is transition (Valvalachay-Atachay – semi-humid) landscape sectors that are formed in submeridional direction with the influence of the climatic, orogenic and hypsometric conditions on the north-eastern slope of the Greater Caucasus. Furthermore the article describes the settlements and the number of their inhabitants, their main occupations, distribution of main sectors of houshehold economies within the divided mountain geosystems sectors of north-eastern slope of Greater Caucasus.The settlements and population distribution dramatically changes with the influence of landscape-ecoligocal conditions whiah are formed insdie the diveded sectors. The number of settlements and population share for divided areas are respectively as follows: Samur-Valvalachay – settlements - 397 (75%) and population - 399.544 (79,4%); Valvalachay-Atachay – settlements - 103 (19,5%) and population 89.187 (17,7%);Atachay-Sumgaitchay – settlements - 29 (5.5%) and population 14.731 (2.9%).