In Croatia, Sabioncello families are generally Croats (from the Island of Brac ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Zagreb.
Prevalence
About 20 people with faimily name Sabioncello live in Croatia today, in 8 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 and another small place , mostly in Split (<10), Zagreb (<5), Solin (<5), Supetar on the Island of Brac (<5), and in Sinj (<5).
Outside Croatia
Family name Sabioncello is present in 6 countries on three continents.