Menjak families are Croats and they are mostly from Velika Gorica area. In the past century, relatively most of Croatian residents bearing this family name were born in Velika Gorica area and in Middle Bosnia (Bugojno area). In Novo Brdo in Velika Gorica area every fourth inhabitant had the family name Menjak.
Prevalence
About 70 people with faimily name Menjak live in Croatia today, in 40 households. There were 60 of them in the middle of the past century, and their number increased by 20 percent. They are only located in in 8 Croatian cities and 8 other places, mostly in Zagreb (10), Makarska (<10), Sisak (<10), Odra Sisacka (<10), and in Dugo Selo (<10).
Outside Croatia
Family name Menjak (including: Menyak , Meniack ) is present in 11 countries worldwide. The family name "Menjak " is used by small number of people in the United States.
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.