In Croatia, Šalaja families are Croats (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and Kutina. In Novo Selo in Sisak every third inhabitant had the family name Šalaja.
Prevalence
Only a few people with faimily name Šalaja live in Croatia today, in three households only. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in only threee Croatian places: in Novo Selo (<10), Sisak (<5), and in Vukovije in Daruvar area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.