In Croatia, Bolek families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica area and in Zagreb.
Prevalence
Only a few people with faimily name Bolek live in Croatia today, in two households only. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in only threee naselja i to in Zagreb (<5), and in Jaksic (<5) and Eminovci (<5) in Pozega area.