In Croatia, Đumbir families are Croats (from Petrinja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja area and in Sisak. In Stari Brod in Petrinja area every sixth inhabitant had the family name Đumbir.
Prevalence
About 30 people with faimily name Đumbir live in Croatia today, in 13 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, four cities and two other places, mostly in Letovanic in Petrinja area (10), Sisak (<10), Zagreb (<5), Lijevi Dubrovcak (<5), and in Stari Brod in Petrinja area (<5).
Outside Croatia
Family name Đumbir (including: Djumbir , Gjumbir ) is present in three countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1943 in source Directorium ARCHI-DIOECESI ZAGREBIENSI.