In Croatia, Jantak families are Croats (from Petrinja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja area and in Sisak. In Lekenik in Petrinja area every nintieth inhabitant had the family name Jantak.
Prevalence
About 10 people with faimily name Jantak live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are only located in in one Croatian city and another small place , mostly in Lekenik in Petrinja area (10) and Sisak (<5).
