In Croatia, Banjak families are Croats (from Nova Gradiska area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska area.
Only a few people with faimily name Banjak live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Ostri Vrh in Nova Gradiska area (<10).