In Croatia, Basilj families are Croats (from Krizevci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci area and in Bjelovar.
Prevalence
Only a few people with faimily name Basilj live in Croatia today, in three households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only threee Croatian places: in Zrinski Topolovac in Krizevci area (<10), Krizevci (<5), and in Siptari in Bjelovar area (<5).