Režan 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 and in Zadar area.
Prevalence
About 220 people with faimily name Režan live in Croatia today, in 90 households. There were 80 of them in the middle of the past century, and their number more than doubled. They are located in four Croatian counties, four cities and threee other places, mostly in Bibinje in Zadar area (200), Zadar (25), Bobovje (<5), Split (<5), and in Pula (<5).
Outside Croatia
Family name Režan (including: Rezan , Erezan , Rezzan and Rezhan ) is present in 24 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.