In Croatia, Šuveljak families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Zagreb.
Prevalence
About 20 people with faimily name Šuveljak live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number decreased by 50 percent. They are located in four Croatian counties, threee cities and threee other places, mostly in Zagreb (<10), Nova Diklenica in Bjelovar area (<10), Virje in Djurdjevac area (<5), Djurdjevac (<5), and in Osijek (<5).
Outside Croatia
Family name Šuveljak is present in this form only in Croatia.
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.