Muslim families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Split. In places Gornje Ogorje and Radunić in Sinj area every ninth inhabitant had the family name Muslim.
Prevalence
About 220 people with faimily name Muslim live in Croatia today, in 100 households. There were 160 of them in the middle of the past century, and their number increased by 40 percent. They are located in 9 Croatian counties, in 13 cities and 9 other places, mostly in Split (130), Solin (35), Gornje Ogorje in Sinj area (15), Zagreb (10), and in Sinj (<10).
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.