In Croatia, Balcer families are Croats (from Pakrac ). In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac.
Prevalence
About 10 people with faimily name Balcer live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Zagreb (<5), Dezanovac in Daruvar area (<5), Omanovac (<5), and in Badljevina (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.