In Croatia, Cetinski families are generally Croats (from Delnice area ), very rarely Slovenes (from Slovenia ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Cazma area.
Prevalence
About 40 people with faimily name Cetinski live in Croatia today, in 15 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, four cities and 6 other places, mostly in Zagreb (15), Sunja in Hrvatska Kostajnica area (<10), Rovinj (<5), Ravna Gora in Delnice area (<5), and in Slavonski Brod (<5).
Outside Croatia
Family name Cetinski is present in 7 countries on four continents. The family name "Cetinski " is used by small number of people in the United States , small number in Australia , and small number of people in Canada.
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.