Bosilj families are Croats and they are mostly from Varazdin area. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Ivanec area. In Budinščak in Ivanec area every second inhabitant had the family name Bosilj.
Prevalence
About 500 people with faimily name Bosilj live in Croatia today, in 180 households. There were 380 of them in the middle of the past century, and their number increased by 30 percent. They are located in the most of Croatian counties, in 24 cities and 53 other places, mostly in Sveti Ilija in Varazdin area (90), Varazdin (60), Budinscak in Ivanec area (45), Mozdjenec (25), and in Zagreb (20).
