In Croatia, Boljanić families are Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Hrvatska Kostajnica area.
Prevalence
Only a few people with faimily name Boljanić live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in one Croatian city only, in Hrvatska Kostajnica (<5).
Outside Croatia
Family name Boljanić is present in 8 countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.