Harjač families are Croats and they are mostly from Ivanec. In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec and Varazdin. In Punikve in Ivanec every eighth inhabitant had the family name Harjač.
Prevalence
About 140 people with faimily name Harjač live in Croatia today, in 50 households. There were 150 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 8 Croatian counties, in 6 cities and 16 other places, mostly in Punikve (30), Ivanec (25), Zagreb (25), Lancic (20), and in Ivanecka Zeljeznica (<10).
Outside Croatia
Family name Harjač is present in two countries on two continents.
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.