In Croatia, Erica families are Croats (from Omis area ). In the past century, relatively most of Croatian residents bearing this family name were born in Split.
Prevalence
Only a few people with faimily name Erica live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Split (<5), Zagreb (<5), and in Jesenice in Omis area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1933 in source Emigration Commission Zagreb.