Balajić families are Croats and they are mostly from Sinj. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj and Osijek.
Prevalence
About 140 people with faimily name Balajić live in Croatia today, in 50 households. There were 60 of them in the middle of the past century, and their number more than doubled. They are located in 8 Croatian counties, in 12 cities and 8 other places, mostly in Karakasica (60), Zagreb (15), Split (15), Osijek (15), and in Sinj (<10).
Outside Croatia
At least five families with this surname emigrated from Croatia to the United States (3) and Germany (2). Family name Balajić is present in three countries.
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.