The article presents the component composition of the essential oil Zosima absinthifolia Link., collected in the vicinity of the Shahbuz region of the Nakhchivan Autonomous Republic. Zosima Hoffm. genus belongs to the family Apiaceae Lindl., it is represented by one species in Azerbaijan. Plant raw materials for research were collected during the flowering stage. The essential oil was extracted from the air-dried and finely chopped leave and stems of the plant by the method of hydro-distillation. The yield of essential oil is 0.7±0.15%. The component content of the obtained essential oil was determined by the GC-MS method. In total, 50 substances making up 97.88% of the essential oil were identified. The major components of the essential oil were octyl acetate (44.76%), cyclopropane, pentyl-(13.88%), butanoic acid, octyl ester (9.47%). The content of other components is less than 5.5%. Z. absinthifolia essential oil also contains terpene substances such as, mono-, sesquiterpenes and their derivatives. Note that the percentage of sesquiterpene compounds (18.7%) is higher than the amount of monoterpenes (0.95).