In Croatia, Malgaj families are Croats (from Banja Luka Region (Bosnia) ). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area).
Prevalence
Only a few people with faimily name Malgaj live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Zagreb (<5) and Pula (<5).
Outside Croatia
Family name Malgaj (including: Malgay , Malgai ) is present in 9 countries on four continents.