In Croatia, Ganz families are Croats (from Osijek area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek area.
Prevalence
About 10 people with faimily name Ganz live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee Croatian places: in Antunovac in Osijek area (<10), Hrvatska Kostajnica (<5), and in Dalj in Vinkovci area (<5).
Outside Croatia
Family name Ganz is present in 61 countries worldwide. The family name "Ganz " is used by some 7000 people in Germany , about 6000 in the United States , and some 1000 people in Italy. "Gahnz " 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 1927 in source Emigration Commission Zagreb.