In Croatia, Andreatto families are Italians by relative majority (from Pakrac ), rarely Serbs, and . In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac.
Prevalence
Only a few people with faimily name Andreatto live in Croatia today, in three households only. They are located in one Croatian city only, in Pakrac (<10).
Outside Croatia
Family name Andreatto is present in 7 countries on three continents.