In Croatia, Šako families are generally Croats (from Middle Bosnia ), very rarely Bosniaks (from Bosnian Posavina ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Gornji Vakuf area) and in East Herzegovina (Gacko area).
Prevalence
About 50 people with faimily name Šako live in Croatia today, in 11 households. They are located in 9 Croatian counties, in 8 cities and threee other places, mostly in Zagreb (20), Petrinja (15), Karlovac (<5), Donja Zelina (<5), and in Dugo Selo (<5).