In Croatia, Ergo families are Croats (from the Island of Brac ). In the past century, relatively most of Croatian residents bearing this family name were born in North Herzegovina (Konjic area) and in Bosnian Krajina (Kotor Varos area).
Prevalence
About 10 people with faimily name Ergo live in Croatia today, in three households only. They are located in only threee naselja i to in Kastel Sucurac (<10), Cerovac Vukmanicki (<5), and in Milna on the Island of Brac (<5).
Outside Croatia
Family name Ergo is present in 43 countries worldwide. "Hergo " is used by few people in the United States.