In Croatia, Rajz families are Croats (from Virovitica ). In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica area.
Prevalence
Only a few people with faimily name Rajz live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in one Croatian city only, in Virovitica (<5).