In Croatia, Sredoja families are Croats (from Knin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Knin area.
Prevalence
About 20 people with faimily name Sredoja live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Zagreb (10), Sesvete (<5), and in Oklaj (<5) and Suknovci (<5) in Knin area.
Outside Croatia
Family name Sredoja is present in two countries on two continents.