Vrđuka families are Croats and they are mostly from Donja Stubica area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Donja Stubica area. In Pasanska Gorica in Donja Stubica area every fifth inhabitant had the family name Vrđuka.
Prevalence
About 150 people with faimily name Vrđuka live in Croatia today, in 60 households. There were 90 of them in the middle of the past century, and their number increased by 70 percent. They are located in 10 Croatian counties, in 9 cities and 11 other places, mostly in Zagreb (35), in Pasanska Gorica (15) and Gornja Stubica (15) in Donja Stubica area, Draganic in Karlovac area (10), and in Sisak (10).
Outside Croatia
Family name Vrđuka (including: Vrdjuka , Vrduka ) is present in two countries.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.