In Croatia, Kovarbašić families are predominantly Serbs, rarely Croats (from Nova Gradiska ). In the past century, relatively most of Croatian residents bearing this family name were born in Glina and Zagreb.
Prevalence
About 30 people with faimily name Kovarbašić live in Croatia today, in 12 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, in 6 cities and two other places, mostly in Drenovac Banski (<10), Nova Gradiska (<5), Dodosi (<5), Zagreb (<5), and in Petrinja (<5).