In Croatia, Straub families are Croats (from Pozega area ).
Prevalence
About 10 people with faimily name Straub live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Doljanci in Pozega area (<5).
Outside Croatia
Family name Straub (including: Shtraub , Sztraub ) is present in 61 countries worldwide. The family name "Straub " is used by some 20000 people in Germany , about 20000 in the United States , and some 2000 people in Brazil.
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.