In Croatia, Hadjar families are Croats (from Zlatar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zlatar area and in Zagreb.
Prevalence
Only a few people with faimily name Hadjar live in Croatia today, in four households only. They are located in only five naselja i to in Bestovje in Samobor area (<5), Zagreb (<5), Varazdin (<5), Varazdinske Toplice (<5), and in Vojnovec Loborski in Zlatar area (<5).
Outside Croatia
Family name Hadjar (including: Hadiar , Hadyar ) is present in 24 countries worldwide. "Hadyar " is used by few 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 2007 in source Encyclopaedia of Croatian Surnames.