In Croatia, Drljačić families are generally Croats (from Opatija area ), very rarely Bosniaks (from Bosnian Posavina ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka.
Prevalence
About 10 people with faimily name Drljačić live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Zagreb (<10), Veliki Raven (<10), Rijeka (<5), and in Matulji in Opatija area (<5).
Outside Croatia
Family name Drljačić is present in three countries on two continents. The family name "Drljacic " is used by small number of people in the United States.