In Croatia, Petrž families are Croats (from Orahovica ). In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica.
Prevalence
Only a few people with faimily name Petrž live in Croatia today, in three households only. They are located in two Croatian cities only, in Dolci (<5) and Zapresic (<5).
Outside Croatia
Family name Petrž (including: Petrz , Peterz ) is present in 16 countries worldwide.