Bardak families are mainly Serbs and they are mostly from Bosnian Posavina , whereas often Croats (also from Bosnian Posavina ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Brod area) and in Slavonski Brod.
Prevalence
About 90 people with faimily name Bardak live in Croatia today, in 50 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 8 Croatian counties, in 7 cities and 10 other places, mostly in Slavonski Brod (70), Osijek (<5), Viskovo in Rijeka area (<5), Lovrecka Varos (<5), and in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.