In Croatia, Budai families are predominantly Croats (from Valpovo area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Sarajevo area) and in Backa, Vojvodina.
Prevalence
About 10 people with faimily name Budai live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, four cities and four other places, mostly in Valpovo (<5), Kastel Sucurac (<5), Zagreb (<5), Bizovac in Valpovo area (<5), and in Umag (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.