In Croatia, Hanž families are almost entirely Croats (from Zabok area ), barely Czechs (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Zabok area.
Prevalence
About 40 people with faimily name Hanž live in Croatia today, in 17 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 6 cities and 6 other places, mostly in Zagreb (10), Vrankovec in Zabok area (<10), Sela (<10), Jazvenik (<10), and in Staro Pracno (<5).
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.