Surjan families are Croats and they are mostly from the Island of Korcula. In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Korcula and in Split.
Prevalence
About 270 people with faimily name Surjan live in Croatia today, in 110 households. There were 220 of them in the middle of the past century, and their number increased by 20 percent. They are located in 8 Croatian counties, in 10 cities and 10 other places, mostly in Vela Luka (170) and Blato (30) on the Island of Korcula, Zagreb (20), Split (15), and in Sipanska Luka (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1924 in source Emigration Commission Zagreb.