Aužina families are Croats and they are mostly from Drnis. In the past century, relatively most of Croatian residents bearing this family name were born in Drnis and Sibenik. In Radonić in Drnis every tenth inhabitant had the family name Aužina.
Prevalence
About 140 people with faimily name Aužina live in Croatia today, in 70 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 6 Croatian counties, in 10 cities and 5 other places, mostly in Sibenik (80), Split (20), Radonic (15), Solin (<10), and in Zagreb (<10).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Aužina (including: Auzina , Auzhina and Hauzinah ) is present in 20 countries on three continents.
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.