In Croatia, Vadjunec families are Croats (from Ludbreg area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg area and in Varazdin.
Prevalence
About 20 people with faimily name Vadjunec live in Croatia today, in 8 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian counties, two cities and four other places, mostly in Hrzenica in Ludbreg area (<5), Ludbreg (<5), Sesvete Ludbreske in Ludbreg area (<5), Zagreb (<5), and in Sesvete (<5).
Outside Croatia
Family name Vadjunec is present in three countries on two continents. The family name "Vadjunec " is used by small number of people in the United States.
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.