In Croatia, Detan families are Croats (from Opatija area ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Opatija area. In Mošćenička Draga in Opatija area every eighth inhabitant had the family name Detan.
Prevalence
About 30 people with faimily name Detan live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number increased by 30 percent. They are located in two Croatian counties, threee cities and 6 other places, mostly in Moscenicka Draga (10), Donji Kraj (<10) and Grabrova (<5) in Opatija area, Viskovo in Rijeka area (<5), and in Kalac in Opatija area (<5).
