In Croatia, Gjaja families are Croats (from Dubrovnik area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in Dubrovnik area. In Mravnica in Dubrovnik area every fourth inhabitant had the family name Gjaja.
Prevalence
About 20 people with faimily name Gjaja live in Croatia today, in 12 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in one Croatian city and 6 other places, mostly in Dubrovnik (20), Mravnica in Dubrovnik area (<10), Zaton (<5), Nova Mokosica (<5), and in Mokosica (<5).
Outside Croatia
Family name Gjaja (including: Ghujaya , Gyaya ) is present in four countries on three continents. The family name "Gjaja " is used by small number of people in the United States.
