In Croatia, Ladar families are Croats (from Knin ). In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg.
Prevalence
About 10 people with faimily name Ladar live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only one small Croatian place, in Kninsko Polje (<10).