In Croatia, Durec families are Slovaks (from Ilok ). 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 Durec live in Croatia today, in one household only. They are located in one Croatian city only, in Ilok (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.