In Croatia, Gažo families are generally Croats (from Djakovo area ), very rarely Serbs, and . In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and Vinkovci.
Prevalence
About 50 people with faimily name Gažo live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in 9 Croatian counties, in 11 cities and 8 other places, mostly in Vukovar (20), Ilok (<10), Split (<5), Vrpolje in Djakovo area (<5), and in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.