In Croatia, Trlajić families are Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pozega area and in Orahovica area. In Ruševac in Pozega area every sixth inhabitant had the family name Trlajić.
Prevalence
About 10 people with faimily name Trlajić live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Sumetlica in Nova Gradiska area (<5), Sisak (<5), Pozega (<5), Osijek (<5), and in Prvca (<5).