In Croatia, Detel families are almost entirely Croats (from Vrbovec area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 30 people with faimily name Detel live in Croatia today, in 14 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in threee Croatian counties, two cities and 6 other places, mostly in Sesvete (10), Zagreb (10), Rijeka (<10), Kostrena in Bakr area (<5), and in Novoselec in Ivanic-Grad area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.