Barlek families are Croats and they are mostly from Lepoglava. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava and Varazdin. In Očura in Lepoglava every sixth inhabitant had the family name Barlek.
Prevalence
About 100 people with faimily name Barlek live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number increased by 10 percent. They are located in four Croatian counties, in 6 cities and 9 other places, mostly in Zagreb (30), Ocura (20), Muricevec (10), Lepoglava (<10), and in Brezje in Cakovec area (<10).
Outside Croatia
Family name Barlek is present in five countries on three continents. The family name "Barlek " is used by small number of people in Argentina and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.