In Croatia, Janin families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac and Bjelovar. In Sirova Katalena in Djurdjevac every thirtieth inhabitant had the family name Janin.
Prevalence
About 20 people with faimily name Janin 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 two Croatian counties, two cities and another small place , mostly in Bjelovar (10), Zagreb (<10), and in Sandrovac in Bjelovar area (<5).