In Croatia, Krnjus families are Croats (from Pazin ). In the past century, relatively most of Croatian residents bearing this family name were born in Pazin and Pula.
Prevalence
About 50 people with faimily name Krnjus live in Croatia today, in 17 households. There were 30 of them in the middle of the past century, and their number increased by 90 percent. They are located and 6 other Croatian places, mostly in Pazin (15), Krsikla (15), Kascerga (<10), Pula (<10), and in Buzet (<5).
Outside Croatia
Family name Krnjus (including: Chernyus , Kernius and Kernjus ) is present in 6 countries on two continents.