In Croatia, Janovski families are Croats (from Zupanja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka.
Prevalence
About 20 people with faimily name Janovski live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Zagreb (<10), Rijeka (<5), Hreljin (<5), Strosinci in Zupanja area (<5), and in Kostrena Sveta Lucija in Bakr area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.