Rabak families are Croats and they are mostly from Pazin area. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Buzet. In Ročko Polje in Buzet every seventh inhabitant had the family name Rabak.
Prevalence
About 140 people with faimily name Rabak live in Croatia today, in 60 households. There were 170 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, in 9 cities and 24 other places, mostly in Rijeka (15), Pula (15), Roc (15), Brtonigla in Buje area (<10), and in Umag (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.