In Croatia, Sitnić families are Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Novi area) and in Backa, Vojvodina.
Prevalence
Only a few people with faimily name Sitnić live in Croatia today, in three households only. They are located in only two Croatian places: in Zagreb (<5) and Brsadin in Vukovar area (<5).