In Croatia, Bilik families are predominantly Croats (from Vrbovec area ), rarely Italians (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec area and in Varazdin.
Prevalence
Only a few people with faimily name Bilik live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Rijeka (<5), Dapci (<5), Makarska (<5), and in Pobjenik (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.