Hrgarek families are Croats and they are mostly from Ivanec area. In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec area and in Varazdin. In Čalinec in Ivanec area every tenth inhabitant had the family name Hrgarek.
Prevalence
About 100 people with faimily name Hrgarek live in Croatia today, in 40 households. There were 60 of them in the middle of the past century, and their number increased by 70 percent. They are only located in in 8 Croatian cities and 10 other places, mostly in Calinec in Ivanec area (40), Zagreb (15), Sisak (10), Rijeka (<10), and in Varazdin (<10).
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.