Alač families are Croats and they are mostly from Makarska area. In the past century, relatively most of Croatian residents bearing this family name were born in Makarska area and in Split. In Drašnice in Makarska area every ninth inhabitant had the family name Alač.
Prevalence
About 100 people with faimily name Alač live in Croatia today, in 60 households. There were 130 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 10 cities and 10 other places, mostly in Split (25), Drasnice in Makarska area (25), Rijeka (15), Makarska (10), and in Drvenik in Ploce area (<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.