Cetin families are Croats and they are mostly from Cazma. In the past century, relatively most of Croatian residents bearing this family name were born in Cazma and Zagreb.
Prevalence
About 120 people with faimily name Cetin live in Croatia today, in 50 households. There were 130 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 9 Croatian counties, in 11 cities and 18 other places, mostly in Zagreb (15), Split (15), Kasina (15), Kutina (10), and in Bojana (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.