In Croatia, Hergić families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Hergić live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in three Croatian cities only: in Zagreb (<10), Rijeka (<5), and in Pula (<5).
Outside Croatia
Family name Hergić is present in five countries on two continents. The family name "Hergic " is used by small number of people in Austria and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.