In Croatia, Helez families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and in Middle Bosnia (Kupres area).
Prevalence
Only a few people with faimily name Helez live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in one Croatian city only, in Sibenik (<10).
Outside Croatia
Family name Helez (including: Thelliez , Hellez ) is present in 9 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1705 in source Catholic Church Parish Records.