Džaja families are Croats and they are mostly from Imotski area. In the past century, relatively most of Croatian residents bearing this family name were born in Western Bosnia (Livno area) and in Imotski area. In Medovdolac in Imotski area every seventh inhabitant had the family name Džaja.
Prevalence
About 620 people with faimily name Džaja live in Croatia today, in 240 households. There were 330 of them in the middle of the past century, and their number increased by 90 percent. They are located in the most of Croatian counties, in 37 cities and 49 other places, mostly in Split (105), Zagreb (105), Zadar (55), Sesvete (35), and in Solin (25).