In Croatia, Canjko families are Croats (from Beli Manastir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Beli Manastir area and in Zagreb.
Prevalence
About 40 people with faimily name Canjko live in Croatia today, in 20 households. There were 30 of them in the middle of the past century, and their number increased by 50 percent. They are only located in in 6 Croatian cities and threee other places, mostly in Zagreb (20), Petlovac in Beli Manastir area (10), Vinica in Ivanec area (<10), Beli Manastir (<10), and in Zapresic (<5).
Outside Croatia
Family name Canjko (including: Zanjko , Zaniko ) is present in 7 countries.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.