In Croatia, Musizza families are mainly Italians (from Porec ), less frequently Croats (also from Porec ). In the past century, relatively most of Croatian residents bearing this family name were born in Porec and Pula.
Prevalence
About 20 people with faimily name Musizza live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only threee naselja i to in Porec (10), Rosini (<10), and in Buzet (<5).
Outside Croatia
Family name Musizza is present in 7 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.