Balek families are Croats and they are mostly from Drnis area. In the past century, relatively most of Croatian residents bearing this family name were born in Drnis area and in Drnis. In Donje Utore in Drnis area every seventh inhabitant had the family name Balek.
Prevalence
About 90 people with faimily name Balek live in Croatia today, in 30 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 6 Croatian counties, in 7 cities and 10 other places, mostly in Split (30), Kastel Kambelovac (15), Kastel Sucurac (15), Zagreb (<10), and in Kastel Stari (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.