In Croatia, Slačanin families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Karlovac.
Prevalence
About 10 people with faimily name Slačanin live in Croatia today, in five households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only threee naselja i to in Zagreb (<10), Recica (<5), and in Kobilic Pokupski (<5).
Outside Croatia
Family name Slačanin is present in four countries on two continents. The family name "Slacanin " is used by some 200 people in Germany and small number in the United States.