Balaško families are Croats and they are mostly from Koprivnica area. According to some sources they are from Nova Gradiska. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Koprivnica.
Prevalence
About 520 people with faimily name Balaško live in Croatia today, in 230 households. There were 500 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 31 cities and 75 other places, mostly in Zagreb (75), Koprivnica (60), Starigrad (15), Reka (15), and in Kunovec in Koprivnica area (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.