In Croatia, Mattich families are predominantly Croats (from Porec area ), rarely Italians (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula.
About 10 people with faimily name Mattich live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee naselja i to in Visnjan in Porec area (<5), Zagreb (<5), and in Baskoti in Porec area (<5).