Bratim families are Croats and they are mostly from Split. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Sibenik.
Prevalence
About 90 people with faimily name Bratim live in Croatia today, in 20 households. There were 40 of them in the middle of the past century, and their number doubled. They are located in two Croatian counties, threee cities and 5 other places, mostly in Split (50), Zrnovnica (30), Gornje Sitno (15), Zagreb (<5), and in Stobrec (<5).
Outside Croatia
Family name Bratim (including: Bratym , Brattheim and Bratheim ) is present in 7 countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.