In Croatia, Čolja families are Croats (from Varazdin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Novi Marof and Varazdin.
Prevalence
About 60 people with faimily name Čolja live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number increased by 20 percent. They are located in threee Croatian counties and threee other places, mostly in Ljubescica in Varazdin area (15), Zagreb (15), Novi Marof (<10), Remetinec (<10), and in Varazdin (<5).