In Croatia, Auker families are Croats (from Vrbovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Varazdin.
Prevalence
About 30 people with faimily name Auker live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in four Croatian counties, threee cities and threee other places, mostly in Varazdin (15), Hrascica (<10), Zagreb (<5), Trnovec in Varazdin area (<5), and in Fuka in Vrbovec area (<5).