In Croatia, Battaia families are Croats (from Buzet area ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
Only a few people with faimily name Battaia live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only four Croatian places: in Rijeka (<5), Klana in Opatija area (<5), Cikovici (<5), and in Brkac in Buzet area (<5).
Outside Croatia
Family name Battaia (including: Battaya , Battaiah ) is present in 9 countries worldwide. "Battaya " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.