Surla families are mainly Serbs and they are mostly from Knin area , whereas often Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Knin area and in Zagreb. In places Glogovo and Kijani in Knin area every fifth inhabitant had the family name Surla.
Prevalence
About 110 people with faimily name Surla live in Croatia today, in 60 households. There were 280 of them in the middle of the past century, and their number decreased significantly. They are located in the most of Croatian counties, in 12 cities and 18 other places, mostly in Zagreb (40), in Gracac (10) and Kijani (<10) in Knin area, Tenja (<10), and in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.