In Croatia, Zolak families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Middle Bosnia (Bugojno area).
Prevalence
Only a few people with faimily name Zolak live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties and another small place , mostly in Zagreb (<5), Zadar (<5), Makarska (<5), Graberje Ivanicko (<5), and in Deanovec (<5).