In Croatia, Ubavić families are predominantly Serbs, rarely Croats (from Hrvatska Kostajnica ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Beli Manastir area and in Ilok.
Prevalence
About 10 people with faimily name Ubavić live in Croatia today, in 7 households. There were 60 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Ilok (<10), Svinica in Hrvatska Kostajnica area (<5), Beli Manastir (<5), and in Hrvatska Kostajnica (<5).