In Croatia, Janiček families are Croats (from Ilok ). In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec area and in Srijem, Vojvodina.
Prevalence
About 20 people with faimily name Janiček live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only threee Croatian places: in Ilok (<10), Koretinec in Ivanec area (<10), and in Bapska (<5).