In Croatia, Šperjak families are Croats (from Beli Manastir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Beli Manastir area.
Prevalence
Only a few people with faimily name Šperjak live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Beli Manastir (<5), and in Batina (<5) and Knezevo (<5) in Beli Manastir area.
Outside Croatia
Family name Šperjak is present in this form only in Croatia.