In Croatia, Čumbelić families are generally Croats (from the Island of Mljet ), barely Montenegrins (also from the Island of Mljet ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and on the Island of Mljet. In Kozarica on the Island of Mljet nearly every inhabitant had the family name Čumbelić.
Prevalence
About 50 people with faimily name Čumbelić live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 7 cities and 6 other places, mostly in Babino Polje on the Island of Mljet (10), Dubrovnik (<10), Zagreb (<10), Mokosica (<10), and in Varazdin (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1935 in source Emigration Commission Zagreb.