Grgurica families are Croats and they are mostly from Drnis area. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and in Drnis area.
Prevalence
About 80 people with faimily name Grgurica live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 60 percent. They are only located in in 9 Croatian cities and threee other places, mostly in Sibenik (50), Policnik in Zadar area (<10), Split (<10), Kastel Luksic (<10), and in Rijeka (<5).
Outside Croatia
Family name Grgurica 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 1691 in source Catholic Church Parish Records.