Uzun families are Croats and they are mostly from Vrlika. In the past century, relatively most of Croatian residents bearing this family name were born in Vrlika and Zagreb.
Prevalence
About 120 people with faimily name Uzun live in Croatia today, in 50 households. There were 50 of them in the middle of the past century, and their number more than doubled. They are only located in in 10 Croatian cities and 5 other places, mostly in Zagreb (50), Djakovo (30), Vrlika (15), Garjak (10), and in Split (<10).
Outside Croatia
Family name Uzun (including: Huzun , Uzzun ) is present in 68 countries worldwide.
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.