In Croatia, Šistek families are Bosniaks by relative majority (from Cazins Region (Bosnia) ), equally Croats (from Bosnian Krajina ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazins Region, Bosnia (Kljuc area) and in Bosnian Krajina (Prijedor area). In Humići in Cazins Region (Bosnia) every tenth inhabitant had the family name Šistek.
Prevalence
About 20 people with faimily name Šistek live in Croatia today, in 8 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in four Croatian counties, threee cities and threee other places, mostly in Fazana (<10), Zagreb (<10), Sesvete (<5), Lucko (<5), and in Slapno (<5).