The current study was conductcd to determine thc prevalcncc of GIT nemntodcs of sheep andrngoats in three different districts of Afar Region from Octoher 2007 to April 2008.A total of 480rn(180 sheep and 300 goats) animals were subjected to post mortem exnminations and 2314 fecalrnsamples were analyzed usin g standard coprological techniques (flotation and modified McMasterrnfaecal worm egg counts). Questionpaire surve'y was conducted in randomly selected 6 PA's and 60 households from three districts. Results from coprological examination rcvealed the overallrnprevalence of nematocies in sheep and goats was 55 %and 22.5 % respectively. During postrnmortem examination, of five nematode species (Haemonchus contotus,89.1%),rn(Oesophagostomum venulasum,