In Croatia, Žirović families are Croats (from Petrinja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Petrinja area.
Prevalence
About 30 people with faimily name Žirović live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number decreased by 0 percent. They are located and four other Croatian places, mostly in Velika Gorica (15), Zagreb (<10), Scitarjevo (<5), Sisak (<5), and in Letovanic in Petrinja area (<5).