In Croatia, Balia families are Croats (from Koprivnica ).
Prevalence
About 10 people with faimily name Balia live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Koprivnica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.