In Croatia, Smeraldo families are Croats (from Bakr area ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
About 10 people with faimily name Smeraldo live in Croatia today, in three 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 Glavani in Bakr area (<10).
Outside Croatia
Family name Smeraldo is present in 9 countries on four continents. The family name "Smeraldo " is used by some 300 people in Italy , about 100 in the United States , and small number of people in Russian Federation.