In Croatia, Frein families are Germans (from Beli Manastir ). In the past century, relatively most of Croatian residents bearing this family name were born in Beli Manastir.
Prevalence
Only a few people with faimily name Frein live in Croatia today, in one household only. They are located in only two Croatian places: in Sirine in Beli Manastir area (<5) and Beli Manastir (<5).