In Croatia, Ziegler families are Croats (from Virovitica area ).
Prevalence
About 20 people with faimily name Ziegler live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two Croatian places: in Spisic Bukovica in Virovitica area (<5) and Funtana in Rovinj area (<5).
Outside Croatia
Family name Ziegler is present in 76 countries worldwide. The family name "Ziegler " is used by some 70000 people in Germany , about 40000 in the United States , and some 5000 people in France.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.