In Croatia, Čajka families are Croats (from Pozega ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and in Bjelovar area.
Prevalence
About 10 people with faimily name Čajka live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located and two other Croatian places, mostly in Pozega (<5), Zadar (<5), Velika Gorica (<5), and in Brestovac (<5) and Zavrsje (<5) in Pozega area.