Završki families are Croats and they are mostly from Pregrada area. According to some sources they are from Poland. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Pregrada area.
Prevalence
About 270 people with faimily name Završki live in Croatia today, in 110 households. There were 280 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 13 cities and 24 other places, mostly in Zagreb (100), Veliki Komor in Zlatar area (20), Scepanje in Novi Marof area (20), Oresje Humsko in Pregrada area (15), and in Fericanci in Orahovica area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.