In Croatia, Zmišlja families are Croats (from Cazma area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina.
Prevalence
About 40 people with faimily name Zmišlja live in Croatia today, in 12 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 6 cities and 5 other places, mostly in Zagreb (<10), Cakovec (<10), Gornje Psarjevo (<10), Donje Oresje (<5), and in Cazma (<5).
Outside Croatia
Family name Zmišlja (including: Zmislja , Zmyslya ) is present in four countries.