In Croatia, Šenjuk families are Croats (from Ivanec ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Pleternica area. In Jezero in Pleternica area every fourtieth inhabitant had the family name Šenjuk.
Prevalence
About 10 people with faimily name Šenjuk live in Croatia today, in four households only. They are located in only four Croatian places: in Ivanec (<5), Lancic (<5), Geckovec (<5), and in Hrastovac in Djakovo area (<5).