In Croatia, Gjonaj families are Albanians (from Grubisno Polje area ). In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo.
Prevalence
About 10 people with faimily name Gjonaj live in Croatia today, in three households only. They are located in only two naselja i to in Babinac in Grubisno Polje area (<10) and Nova Kapela in Pozega area (<5).
Outside Croatia
Family name Gjonaj is present in 19 countries on four continents. The family name "Gjonaj " is used by some 1000 people in Albania , about 400 in the United States , and some 100 people in Italy.