In Croatia, Šalgaj families are Croats (from Ludbreg area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg area and in Cakovec.
Prevalence
About 20 people with faimily name Šalgaj live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in four Croatian cities and threee other places, mostly in Virovitica (<10), Zagreb (<10), in Priles (<5) and Obrankovec (<5) in Ludbreg area, and in Orehovica in Cakovec area (<5).
Outside Croatia
Family name Šalgaj (including: Salgaj , Salgay and Salgai ) is present in four countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1937 in source Emigration Commission Zagreb.