In Croatia, Dietz families are Croats (from Nin ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Lipik.
Prevalence
Only a few people with faimily name Dietz live in Croatia today, in four households only. They are located in only four naselja i to in Topusko in Glina area (<5), Zagreb (<5), Djulovac in Daruvar area (<5), and in Zaton (<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.