In Croatia, Cojkić families are Croats (from Dugo Selo ). In the past century, relatively most of Croatian residents bearing this family name were born in Janjevo, Kosovo and in Kosovo.
Prevalence
About 20 people with faimily name Cojkić live in Croatia today, in 6 households. They are located in three Croatian cities only: in Lukarisce (10), Zagreb (<10), and in Dumace (<5).
Outside Croatia
Family name Cojkić (including: Cojkic , Caicas ) is present in four countries on two continents. "Caicas " is used by few people in the United States.