In Croatia, Sladin families are Croats (from Karlovac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Jastrebarsko.
Prevalence
About 10 people with faimily name Sladin live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties and 5 other places, mostly in Jastrebarsko (<10), Jadranovo (<5), Vinkovci (<5), Draganic in Karlovac area (<5), and in Karlovac (<5).
Outside Croatia
At least three families with this surname emigrated from Croatia to: the United States (1), Canada (1), and to Germany (1). Family name Sladin (including: Sladdin , Sladien ) is present in 15 countries worldwide. The family name "Sladin " is used by small number of people in Egypt and small number in the United States. "Sladdin " is used by small number of people in Australia , small number in Germany , and small number of people in the United States.