In Croatia, Blačić families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik.
Prevalence
About 20 people with faimily name Blačić live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two naselja i to in Sibenik (20) and Danilo Biranj (<5).
Outside Croatia
Family name Blačić (including: Blacic , Blacas ) is present in 7 countries on four continents. The family name "Blacic " is used by small number of people in the United States.