In Croatia, Petnjarić families are Croats (from Valpovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Valpovo area.
Prevalence
About 20 people with faimily name Petnjarić live in Croatia today, in 11 households. There were 40 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Osijek (15), Valpovo (<10), and in Satnica (<5) and Bizovac (<5) in Valpovo area.
Outside Croatia
Family name Petnjarić is present in this form only in Croatia.