In Croatia, Petriška families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica area.
Prevalence
Only a few people with faimily name Petriška live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Pozega (<10), Samobor (<5), Grabarje in Orahovica area (<5), and in Trnovac in Pozega area (<5).