Bazo families are Croats and they are mostly from Slavonski Brod area. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj and Slavonski Brod. In Donja Vrba in Slavonski Brod area every thirtieth inhabitant had the family name Bazo.
Prevalence
About 100 people with faimily name Bazo live in Croatia today, in 40 households. There were 60 of them in the middle of the past century, and their number increased by 70 percent. They are only located in in 7 Croatian cities and 9 other places, mostly in Grab in Sinj area (25), Slavonski Brod (20), Ruda in Sinj area (15), Split (10), and in Podvinje (<10).