Part of the Afder Zone, Dolobay is bordered on the south by the Provisional Administrative Line with Somalia, on the west by the Ganale Dorya River which separates it from the Liben Zone, on the northwest by Cherti, on the north by Afder, and on the east by Bare.
Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 84,134, of whom 47,014 are men and 37,120 women.
[1] This woreda majority is in inhabited by Faqi Muxumed sub clan of Surre.
major towns 1 koraley 2- Gubadley 3- Ceel Dhub 4 helkuram 5elhar 6 waldiya The 1997 national census reported a total population for this woreda of 71,940, of whom 39,891 were men and 32,049 were women; 5,909 or 8.21% of its population were urban dwellers.
The largest ethnic group reported in Afder was the dir subclan of surre(fiqi Mohamed) and others like gadsan Somali people (98.76%).