Background: Sheep and goat meat, is regarded as a significant dietary source due to its numerous health benefits. As humans are dependent on sheep and goat meat for nutrition, they are susceptible to parasitic diseases, which can result in economic losses for livestock owners. This study was conducted from October to December 2023, involved the investigation of the prevalence of hydatid disease, caused by the Echinococcus granulosus parasite, in three slaughterhouses in the Libyan city of Sirte. Aims: This study aims to investigate the extent to which the livers and lungs of sheep and goats are infected with hydatid disease caused by the Echinococcus granulosus parasite in three slaughterhouses in the Libyan city of Sirte. Methods: In this study, the livers and lungs of 248 sheep and the livers and lungs of 338 goats were examined in three slaughterhouses in the city of Sirte. A total of 248 sheep were examined, with four cases of hydatid cysts being recorded. The majority of cysts were found in the liver. A total of 338 goats were examined, with three cases of hydatid cysts being recorded. The majority of these cysts were located in the liver. Conclusion: Out of a total of 248 sheep examined, 4 were found to be infected with hydatid disease, with an infection rate of 1.61%, and out of a total of 335 goats examined, 3 were found to be infected with hydatid disease, with an infection rate of 0.89%............. Keywords:............ Echinococcus granulosus, Hydatid Cyst, Echinococcosis, Hydatid disease, Libya.