In Croatia, Dabnjak families are Croats (from Petrinja ). In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja.
Prevalence
Only a few people with faimily name Dabnjak live in Croatia today, in one household only. They are located in one Croatian city only, in Djakovo (<5).
Outside Croatia
Family name Dabnjak is present in this form only in Croatia.