In Croatia, Čiko families are Croats (from Pleternica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica area and in Pozega.
Prevalence
About 10 people with faimily name Čiko live in Croatia today, in 6 households. They are located in only two Croatian places: in Pozega (15) and Knezevac in Pleternica area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.