Ćoza families are Croats and they are mostly from Zadar area. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar area and in Rijeka. In Vinjerac in Zadar area every eighth inhabitant had the family name Ćoza.
Prevalence
About 140 people with faimily name Ćoza live in Croatia today, in 70 households. There were 20 of them in the middle of the past century, and their number multiplied. They are only located in in 7 Croatian cities and 10 other places, mostly in Zadar (50), Rijeka (30), Vinjerac in Zadar area (15), Zagreb (15), and in Posedarje in Zadar area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.