In Croatia, Surdich families are predominantly Croats (from Zagreb ), rarely Italians (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
Only a few people with faimily name Surdich live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in three Croatian cities only: in Rijeka (<5), Zagreb (<5), and in Cres on the Island of Cres (<5).
Outside Croatia
Family name Surdich is present in four countries on three continents. The family name "Surdich " is used by some 50 people in Italy , small number in the United States , and small number of people in Australia.