Krnčević families are Croats and they are mostly from Zadar area. According to some sources they are from Šibenika. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Zadar area.
Prevalence
About 140 people with faimily name Krnčević live in Croatia today, in 50 households. There were 90 of them in the middle of the past century, and their number increased by 50 percent. They are located in 8 Croatian counties, in 8 cities and 11 other places, mostly in Zemunik Donji in Zadar area (40), Zadar (30), Sibenik (30), Split (15), and in Vir in Nin area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.