In Croatia, Altavilla families are Croats (from Split ). In the past century, relatively most of Croatian residents bearing this family name were born in Split.
Prevalence
About 10 people with faimily name Altavilla live in Croatia today, in 6 households. They are located in three Croatian cities only: in Split (<10), Makarska (<5), and in Valpovo (<5).
Outside Croatia
Family name Altavilla is present in 20 countries worldwide. The family name "Altavilla " is used by some 2000 people in Italy , about 500 in the United States , and some 300 people in Argentina.