In Croatia, Balzer families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik.
Prevalence
Only a few people with faimily name Balzer live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Zagreb (<5) and Split (<5).
Outside Croatia
Family name Balzer is present in 45 countries worldwide. The family name "Balzer " is used by some 9000 people in Germany , about 4000 in the United States , and some 600 people in Canada.
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.