The DYS385 locus, consisting of two linked short tandem repeat (STR) subloci, is the polymorphic marker on the Y chromosome. The distribution of DYS385 genotypes was studied in 51 fertile and 49 azoospermic male individuals from the Aegean Region of Turkey. Genotype 14-17 was the most frequently observed genotype, and the gene diversity value of the Aegean population (