In Croatia, Šurko families are Croats (from Dubrovnik ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik.
Prevalence
About 10 people with faimily name Šurko live in Croatia today, in three households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only two Croatian places: in Osojnik (<10) and Mokosica (<5).