In Croatia, Černetić families are Croats (from Ivanic-Grad area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 20 people with faimily name Černetić live in Croatia today, in 9 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only five Croatian places: in Zagreb (10), Cret Posavski in Ivanic-Grad area (<10), Biskupec Zelinski (<5), Cres on the Island of Cres (<5), and in Skradnik in Ogulin area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.