In Croatia, Traub families are Croats (from Opatija ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
About 10 people with faimily name Traub live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five Croatian places: in Rijeka (<5), Marinici in Rijeka area (<5), Ika (<5), Icici (<5), and in Bribir in Novi Vinodolski area (<5).