In Croatia, Herjavić families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 40 people with faimily name Herjavić live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Sesvete (30), Popovec (10), Zagreb (<5), and in Djurdjekovec (<5).
Outside Croatia
Family name Herjavić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.