In Croatia, Miculian families are Italians (from Rovinj ). In the past century, relatively most of Croatian residents bearing this family name were born in Rovinj.
Prevalence
Only a few people with faimily name Miculian 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 Rovinj (<5).
Outside Croatia
Family name Miculian is present in four countries on three continents. The family name "Miculian " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1923 in source Emigration Commission Zagreb.