Kalauz families are Croats and they are mostly from Sibenik. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and in Bosanian Posavina (Bosanska Gradiska area). In Lozovac in Sibenik every eighth inhabitant had the family name Kalauz.
Prevalence
About 270 people with faimily name Kalauz live in Croatia today, in 110 households. There were 130 of them in the middle of the past century, and their number doubled. They are located in the most of Croatian counties, in 18 cities and 16 other places, mostly in Zagreb (65), Sibenik (60), Dubrovnik (25), Lozovac (15), and in Vinkovci (15).
Outside Croatia
Family name Kalauz is present in 17 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.