Lužaić families are mainly Serbs and they are mostly from Otocac , whereas often Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Otocac and Zagreb. In Dabar in Otocac every twentieth inhabitant had the family name Lužaić.
Prevalence
About 100 people with faimily name Lužaić live in Croatia today, in 60 households. There were 240 of them in the middle of the past century, and their number decreased significantly. They are located in the most of Croatian counties, in 15 cities and 10 other places, mostly in Zagreb (35), Rijeka (15), Dabar (<10), Osijek (<10), and in Slavonski Brod (<10).
Outside Croatia
Family name Lužaić (including: Luzaic , Luzaich ) is present in four countries on two continents. "Luzaich " is used by some 100 people in the United States.
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.