In Croatia, Djarmati families are Croats (from Opatija ). In the past century, relatively most of Croatian residents bearing this family name were born in Opatija and Rijeka.
Prevalence
Only a few people with faimily name Djarmati live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Rijeka (<5).
Outside Croatia
Family name Djarmati is present in five countries on two continents.