In Croatia, Tuzla families are Croats (from Bosnian Posavina ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Novi area) and in Banja Luka Region, Bosnia (Banja Luka area).
Prevalence
About 30 people with faimily name Tuzla live in Croatia today, in 9 households. They are located in 6 Croatian counties, in 6 cities and four other places, mostly in Zagreb (<10), Petrinja (<10), Velika Gorica (<5), Gudovac (<5), and in Sisak (<5).
Outside Croatia
Family name Tuzla is present in five countries on three continents.
