In Croatia, Hacek families are Croats (from Varazdin ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Zagreb.
Prevalence
About 20 people with faimily name Hacek live in Croatia today, in 8 households. There were 30 of them in the middle of the past century, and their number decreased by 50 percent. They are located in only four naselja i to in Varazdin (10), Zagreb (<10), Koska in Nasice area (<5), and in Bocaki in Zlatar area (<5).
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.