Hat families are Croats and they are mostly from Donji Miholjac area. In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and Nasice.
Prevalence
About 90 people with faimily name Hat live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number remains constant. They are located in 9 Croatian counties, in 10 cities and 15 other places, mostly in Cacinci in Orahovica area (10), Donji Miholjac (10), Zagreb (<10), Selnica Podravska in Koprivnica area (<10), and in Novoselec in Ivanic-Grad area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.