In Croatia, Pilja families are mainly Serbs, less frequently Croats (from Biograd na moru area ), and barely Montenegrins (from Nova Gradiska ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Benkovac.
Prevalence
About 70 people with faimily name Pilja live in Croatia today, in 30 households. There were 150 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 14 cities and 9 other places, mostly in Rijeka (10), Zagreb (<10), Split (<10), Zadar (<10), and in Tenja (<5).