In Croatia, Szalai families are Croats (from Osijek ).
Prevalence
Only a few people with faimily name Szalai live in Croatia today, in one household only. They are located in two Croatian counties, in one city and two other places, mostly in Osijek (<5), Trnovec in Varazdin area (<5), and in Bilje in Osijek area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.