In Croatia, Nacinovich families are mainly Italians (from Rijeka ), equally Croats (from Pazin ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Labin area.
Prevalence
About 10 people with faimily name Nacinovich live in Croatia today, in 7 households. There were 60 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian counties, four cities and two other places, mostly in Rijeka (<10), Opatija (<5), Bertosi (<5), and in Viskovo (<5) and Marcelji (<5) in Rijeka area.
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Nacinovich is present in 11 countries worldwide. The family name "Nacinovich " is used by some 200 people in the United States , about 90 in Argentina , and some 70 people in Italy.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.