Vrbnjak families are Croats and they are mostly from Ivanec area. In the past century, relatively most of Croatian residents bearing this family name were born in Slovenia and in Zagreb.
Prevalence
About 100 people with faimily name Vrbnjak live in Croatia today, in 40 households. There were 110 of them in the middle of the past century, and their number decreased by 0 percent. They are located in 9 Croatian counties, in 10 cities and 15 other places, mostly in Samobor (20), Koprivnica (10), Vinica in Ivanec area (<10), Varazdin (<10), and in Vidovec in Varazdin area (<10).
Outside Croatia
Family name Vrbnjak (including: Verbnyak , Verbnjak ) is present in 11 countries worldwide.
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.