Dreven families are Croats and they are mostly from Varazdin area. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Varazdin area. In Poljana Biškupečka in Varazdin every sixth inhabitant had the family name Dreven.
Prevalence
About 210 people with faimily name Dreven live in Croatia today, in 80 households. There were 180 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 11 cities and 24 other places, mostly in Beretinec in Varazdin area (45), Varazdin (30), Sveti Ilija in Varazdin area (20), Ogulin (15), and in Turcin in Varazdin area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.