In Croatia, Eren families are Croats (from Backa, Vojvodina ). In the past century, relatively most of Croatian residents bearing this family name were born in Backa, Vojvodina.
Prevalence
Only a few people with faimily name Eren live in Croatia today, in two households only. They are located in only one small Croatian place, in Spincici (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1683 in source Catholic Church Parish Records.