Vacek families are mainly Croats and they are mostly from Ivanic-Grad area , but often Czechs (iz Grubisno Polje, or Czechia). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Grubisno Polje.
Prevalence
About 80 people with faimily name Vacek live in Croatia today, in 40 households. There were 110 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in 8 Croatian cities and 9 other places, mostly in Zagreb (10), Veliki Zdenci (10), Pakrac (<10), Garesnica (<10), and in Poljana (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.