In Croatia, Ugulin families are generally Croats (from Rovinj area ), very rarely Italians (from Rovinj ). In the past century, relatively most of Croatian residents bearing this family name were born in Rovinj area and in Porec area.
Prevalence
About 20 people with faimily name Ugulin live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Pula (<10), Rovinj (<10), Karlovici in Pazin area (<5), Zagreb (<5), and in Bale in Rovinj area (<5).