In Croatia, Piljac families are almost entirely Croats (from the Island of Murter ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Murter and in Zagreb.
Prevalence
About 30 people with faimily name Piljac live in Croatia today, in 12 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in threee Croatian counties, threee cities and another small place , mostly in Zagreb (20), Tisno on the Island of Murter (<10), Sibenik (<5), and in Zadar (<5).
Outside Croatia
Family name Piljac is present in three countries on three continents. The family name "Piljac " is used by small number of 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.