In Croatia, Haide families are Croats (from Opatija 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 Haide 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 two Croatian places: in Studena in Opatija area (<5) and Zagreb (<5).