Pijaca families are Croats and they are mostly from Nin. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and Nin.
Prevalence
About 110 people with faimily name Pijaca live in Croatia today, in 50 households. There were 80 of them in the middle of the past century, and their number increased by 30 percent. They are located in 6 Croatian counties, in 7 cities and 5 other places, mostly in Nin (50), Zadar (10), Zagreb (10), Varazdin (10), and in Rijeka (<10).
Outside Croatia
Family name Pijaca is present in three countries on three continents. The family name "Pijaca " is used by small number of people in the United States and small number in Australia.
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.