Herega 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 Varazdin and Osijek.
Prevalence
About 100 people with faimily name Herega live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 7 Croatian counties and 17 other places, mostly in Varazdin (25), Petrijevci in Valpovo area (15), Gornja Voca in Ivanec area (10), Ludbreg (10), and in Zagreb (<10).
Outside Croatia
Family name Herega is present in 11 countries on four continents. The family name "Herega " is used by small number of people in the United States and small number in Czech Republic.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.