Janeković families are Croats and they are mostly from Koprivnica area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Koprivnica.
Prevalence
About 120 people with faimily name Janeković live in Croatia today, in 50 households. There were 190 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 9 Croatian counties, in 10 cities and 11 other places, mostly in Zagreb (20), Koprivnica (20), Desno Trebarjevo in Sisak area (10), Lovrecka Velika (10), and in Zablatje in Koprivnica area (10).
Outside Croatia
Family name Janeković (including: Janekovic , Yanekovich ) is present in 8 countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.