In Croatia, Grguric families are generally Croats (from Zagreb ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 20 people with faimily name Grguric live in Croatia today, in 6 households. They are located in only threee naselja i to in Brezovica (20), Zagreb (<5), and in Zadvorsko (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.