In Croatia, Szalaj families are mainly Croats (from Labin area ), rarely Hungarians (from Lipik ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Novska.
Prevalence
Only a few people with faimily name Szalaj live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only five naselja i to in Zagreb (<5), Kozljak in Labin area (<5), Lipik (<5), Kozarice (<5), and in Sigetac (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.