In Croatia, Dronjak families are mainly Serbs, less frequently Croats (from Slatina area ), and barely Bosniaks (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Knin and in Slatina area.
Prevalence
About 50 people with faimily name Dronjak live in Croatia today, in 30 households. There were 120 of them in the middle of the past century, and their number decreased significantly. They are located in 7 Croatian counties, in 7 cities and 7 other places, mostly in Strmica (25), Slatina (10), Sisak (<10), Virovitica (<10), and in Zagreb (<5).
Outside Croatia
Family name Dronjak (including: Dronyak , Droniak ) is present in 23 countries worldwide. "Droniak " is used by small number of people in the United States.