In Croatia, Košavić families are Croats (from Ozalj ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Zagreb.
Prevalence
About 30 people with faimily name Košavić live in Croatia today, in 11 households. There were 50 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties, threee cities and threee other places, mostly in Zajacko Selo (15), Ozalj (<10), Jaksic in Pozega area (<10), Vukoder (<5), and in Zagreb (<5).