In Croatia, Vrabl families are Croats (from Zagreb ).
Prevalence
Only a few people with faimily name Vrabl live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two Croatian places: in Zagreb (<5) and Prhovec in Cakovec area (<5).
Outside Croatia
Family name Vrabl (including: Vrábl , Wrabl ) is present in 10 countries on three continents. "Wrabl " is used by small number of people in the United States.