In Croatia, Cotić families are almost entirely Croats (from Buzet area ), barely Slovenes (also from Buzet area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Buzet area. In Gradinje in Buzet area every tenth inhabitant had the family name Cotić.
Prevalence
About 60 people with faimily name Cotić live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in in 7 Croatian cities and 5 other places, mostly in Split (20), Buzet (10), and in Livade (10), Gradinje (<10) and Motovun (<10) in Buzet area.
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.