Mamuza families are Croats and they are mostly from western Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Western Bosnia (Livno area) and in Banja Luka Region, Bosnia (Banja Luka area).
Prevalence
About 90 people with faimily name Mamuza live in Croatia today, in 30 households. They are located in 6 Croatian counties, in 10 cities and 6 other places, mostly in Dugo Selo (30), Trogir (10), Velika Gorica (10), Buzdohanj in Rijeka area (<10), and in Zagreb (<10).
Outside Croatia
Family name Mamuza (including: Mahmuzah , Mamhuza ) is present in 14 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1935 in source Emigration Commission Zagreb.