In Croatia, Vudjan families are generally Croats (from Krapina area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Krapina area.
Prevalence
About 10 people with faimily name Vudjan live in Croatia today, in 7 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Zagreb (10), Gregurovec in Krapina area (<5), Dubrava in Vrbovec area (<5), and in Persaves in Zlatar area (<5).
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.