In Croatia, Zaller families are Croats (from Split ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and Zagreb.
Prevalence
About 20 people with faimily name Zaller live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Split (15), Sesvete (<10), Zagreb (<5), and in Gornji Humac on the Island of Brac (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.