In Croatia, Kernjus families are Croats by relative majority (from Buje area ), equally Italians (from Porec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Umag.
Prevalence
About 10 people with faimily name Kernjus live in Croatia today, in five households only. They are located in only threee naselja i to in Porec (<10), and in Radini (<5) and Brtonigla (<5) in Buje area.
Outside Croatia
Family name Kernjus (including: Kernius , Chernyus ) is present in 6 countries on two continents.