In Croatia, Pećnjak families are Croats (from Vrbovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Dugo Selo.
Prevalence
About 20 people with faimily name Pećnjak live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, threee cities and 7 other places, mostly in Zagreb (10), Dugo Selo (<5), Krizevci (<5), Cugovec in Vrbovec area (<5), and in Sesvete (<5).
Outside Croatia
Family name Pećnjak (including: Pecnjak , Pechnyak and Pechenyak ) is present in five countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.