In Croatia, Zaler families are Croats (from Pozega ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega.
Prevalence
About 10 people with faimily name Zaler live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only threee naselja i to in Pozega (<10), Mihaljevci (<10), and in Zagreb (<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.