In Croatia, Markoni families are Croats (from Dubrovnik area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in Dubrovnik area.
Prevalence
About 10 people with faimily name Markoni live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Cavtat in Dubrovnik area (10).