Srok families are Croats and they are mostly from Rijeka area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Rijeka area. In Sroki in Rijeka area every sixth inhabitant had the family name Srok.
Prevalence
About 130 people with faimily name Srok live in Croatia today, in 60 households. There were 200 of them in the middle of the past century, and their number decreased by 40 percent. They are located in threee Croatian counties and 18 other places, mostly in Rijeka (40), in Viskovo (30) and Sroki (<10) in Rijeka area, Brncici (<10), and in Marinici in Rijeka area (<10).
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.