In Croatia, Ćoić families are Croats (from Dubrovnik area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik.
Prevalence
About 10 people with faimily name Ćoić live in Croatia today, in five households only. They are located in threee Croatian counties, two cities and four other places, mostly in Dubrovnik (<5), in Slano (<5) and Gornji Brgat (<5) in Dubrovnik area, Zagreb (<5), and in Cavtat in Dubrovnik area (<5).