In Croatia, Kanjka families are mainly Czechs (from Grubisno Polje ), less frequently Croats (also from Grubisno Polje ). In the past century, relatively most of Croatian residents bearing this family name were born in Grubisno Polje and Virovitica. In Treglava in Grubisno Polje every eighth inhabitant had the family name Kanjka.
Prevalence
About 30 people with faimily name Kanjka live in Croatia today, in 14 households. There were 20 of them in the middle of the past century, and their number increased by 60 percent. They are located in threee Croatian counties and another small place , mostly in Daruvar (10), Bjelovar (<10), Grubisno Polje (<5), Treglava (<5), and in Virovitica (<5).