In Croatia, Jelenak families are Croats (from Sveti Ivan Zelina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Sveti Ivan Zelina area.
Prevalence
About 10 people with faimily name Jelenak live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five Croatian places: in Zagreb (<10), Lipnica in Sveti Ivan Zelina area (<5), Celine (<5), Brcevec (<5), and in Kolenica in Sveti Ivan Zelina area (<5).