In Croatia, Somborac families are almost entirely Croats (from Ilok area ), barely Slovaks (from the Island of Brac ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo and in Ilok area.
Prevalence
About 50 people with faimily name Somborac live in Croatia today, in 30 households. There were 40 of them in the middle of the past century, and their number increased by 40 percent. They are located in 9 Croatian counties, in 11 cities and 9 other places, mostly in Zagreb (10), Djakovo (<10), Opatija (<10), Ravna Gora in Delnice area (<10), and in Dvor in Hrvatska Kostajnica area (<10).
Outside Croatia
Family name Somborac is present in 7 countries on three continents.