In Croatia, Zlošilo families are generally Croats (from Dubrovnik ), very rarely Czechs (also from Dubrovnik ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and Osijek.
Prevalence
About 40 people with faimily name Zlošilo live in Croatia today, in 17 households. There were 30 of them in the middle of the past century, and their number increased by 70 percent. They are located in only threee naselja i to in Orasac (25), Dubrovnik (20), and in Knezica (<5).
Outside Croatia
Family name Zlošilo is present in five countries on three continents.