In Croatia, Bernetić families are generally Croats (from Opatija area ), very rarely Italians (from Rijeka ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Split.
Prevalence
About 30 people with faimily name Bernetić live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, four cities and 6 other places, mostly in Sapjane in Opatija area (15), Rijeka (<10), Korcula on the Island of Korcula (<5), Valtura in Pula area (<5), and in Samobor (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.