In Croatia, Mačina families are almost entirely Croats (from Pazin area ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Sinj.
Prevalence
About 50 people with faimily name Mačina live in Croatia today, in 17 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 6 cities and 5 other places, mostly in Rovinj (10), Otok in Sinj area (<10), Split (<10), Djurdjevac (<10), and in Modrusani in Pazin area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.