Gadža 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 (Tomislavgrad area) and in Zadar. In Dobrići in Western Bosnia every seventh inhabitant had the family name Gadža.
Prevalence
About 160 people with faimily name Gadža live in Croatia today, in 60 households. They are located in the most of Croatian counties, in 19 cities and 12 other places, mostly in Zagreb (45), Djakovo (15), Split (15), Mali Losinj on the Island of Losinj (10), and in Ivanic-Grad (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.