In Croatia, Montak families are Croats (from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
Only a few people with faimily name Montak live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Finida (<5).