In Croatia, Jurjak families are almost entirely Croats (from Vrbovec area ), very rarely Italians (from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Sveti Ivan Zelina and Zagreb.
Prevalence
About 30 people with faimily name Jurjak live in Croatia today, in 15 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, four cities and 6 other places, mostly in Umag (<10), Selovec in Vrbovec area (<10), Nova Ves Petrijanecka in Varazdin area (<5), Vrbovec (<5), and in Varazdin (<5).
Outside Croatia
Family name Jurjak (including: Yuryak , Jurjac ) is present in 6 countries on three continents. "Jurjac " is used by few people in the United States.