In Croatia, Hannak families are Croats (from Banat, Vojvodina ). In the past century, relatively most of Croatian residents bearing this family name were born in Banat, Vojvodina.
Prevalence
Only a few people with faimily name Hannak live in Croatia today, in one household only. They are located in one Croatian city only, in Velika Gorica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.