Janeš families are Croats and they are mostly from Cabar. In the past century, relatively most of Croatian residents bearing this family name were born in Cabar and Zagreb. In places Donji Žagari , Gerovo and Mandli in Cabar every sixth inhabitant had the family name Janeš.
Prevalence
About 660 people with faimily name Janeš live in Croatia today, in 290 households. There were 710 of them in the middle of the past century, and their number decreased by 10 percent. They are located in almost all Croatian counties, in 41 cities and 68 other places, mostly in Zagreb (150), Gerovo (55), Ravna Gora in Delnice area (50), Rijeka (40), and in Delnice (20).
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.