Fruit aroma is one of the most important consumer acceptability traits of peaches and nectarines. White nectarines are grown in the northwestern region of Turkey. They have small fruits that are white-cream colored and have high market value because of their unique aroma and attractive appearance. Ten peach and nectarine genotypes including local flat peach, three white nectarines and six standard cultivars were investigated for their volatile constituents using the SPME (Solid Phase Micro Exraction) technique by the GC/MS (Gas Chromatography/Mass Spectrometry). White nectarines, the most aromatic genotypes, were observed to accumulate high levels of esters when compared to the other genotypes.