In Croatia, Bibaj families are Albanians (from Porec ). In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo.
Prevalence
Only a few people with faimily name Bibaj live in Croatia today, in two households only. They are located in one Croatian city only, in Porec (<10).
Outside Croatia
Family name Bibaj (including: Bibay , Bibai and Bibei ) is present in 13 countries worldwide. "Bibay " is used by small number of people in the United States.