In Croatia, Janičić families are predominantly Croats (from Bosnian Posavina ), rarely Montenegrins (from Pula ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and in Bosanian Posavina (Bosanski Brod area).
Prevalence
About 20 people with faimily name Janičić live in Croatia today, in 10 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in 6 Croatian counties and four other places, mostly in Dubrovnik (<10), Bukovlje in Slavonski Brod area (<5), Buzinija (<5), Pula (<5), and in Brsadin in Vukovar area (<5).