Abstract Water-distilled oils from the herbal parts of Nepeta sulfuriflora endemic in Turkey were analyzed by GC/MS. Ninety-two and eighty-six components were characterized representing 93% and 94% of the total components detected in flowering and fruiting specimens, respectively, with 1,8-cineole (46.35% and 24.23%) and sabinene (6.38 and 12.79%) as major constituents.