In Croatia, Delfar families are predominantly Croats (from Buzet area ), rarely Italians (also from Buzet area ). In the past century, relatively most of Croatian residents bearing this family name were born in Buzet area and in Pula. In Trstenik in Buzet area every ninth inhabitant had the family name Delfar.
Prevalence
About 20 people with faimily name Delfar live in Croatia today, in 7 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, four cities and two other places, mostly in Rovinj (<10), Galizana in Pula area (<10), Jelovice in Buzet area (<5), Rijeka (<5), and in Jadreski in Pula area (<5).
Outside Croatia
Family name Delfar is present in 6 countries on two continents.