In Croatia, Filak families are mainly Croats (from Grubisno Polje area ), rarely Hungarians (from Grubisno Polje ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and in Slovenia.
Prevalence
About 20 people with faimily name Filak live in Croatia today, in 11 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in 6 Croatian counties, in 6 cities and another small place , mostly in Zagreb (<10), Poljani (<10), Osijek (<5), Pavlovac in Grubisno Polje area (<5), and in Split (<5).
