In Croatia, Vrlac families are Croats (from Cazma ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Cazma.
Prevalence
About 20 people with faimily name Vrlac live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Zagreb (<10), Cazma (<10), Dereza (<5), Biskupec Zelinski (<5), and in Donji Dragicevci (<5).