"Haplogroup J is found in greatest concentration in Southwest Asia. Outside of this
region, haplogroup J has a moderate presence in Southern Europe (especially in central and southern
Italy, Malta, Greece, and Albania), Central Asia, and South Asia, particularly in the form of its
subclade J2 (J-M172). Haplogroup J is also found in North Africa and the Horn of Africa,
particularly in the form of its subclade J1 (J-M267). Subclades J2a and J2a1b1 are found mostly in
Greece, Anatolia, and southern Italy."