In Croatia, Hardt families are Croats (from Pozega ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Pozega.
Prevalence
About 10 people with faimily name Hardt live in Croatia today, in five households only. They are located in only threee naselja i to in Pozega (<10), Osijek (<10), and in Necujam on the Island of Solta (<5).