Crnica families are Croats and they are mostly from Sibenik. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb.
Prevalence
About 90 people with faimily name Crnica live in Croatia today, in 40 households. There were 60 of them in the middle of the past century, and their number increased by 50 percent. They are located in 6 Croatian counties, in 8 cities and threee other places, mostly in Zaton (35), Zagreb (20), Sibenik (15), Zadar (<10), and in Samobor (<10).
Outside Croatia
Family name Crnica is present in 18 countries on three continents.
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.