In Croatia, Janes families are Croats (from Cazma area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazma area and in Zagreb.
Prevalence
About 10 people with faimily name Janes live in Croatia today, in 6 households. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Popovaca in Kutina area (<5), Velika Ludina in Cazma area (<5), Zagreb (<5), and in Gornja Vlahinicka in Cazma area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.