In Croatia, Štrenja families are Croats (from Zadar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Zadar area.
Prevalence
About 20 people with faimily name Štrenja live in Croatia today, in 9 households. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Debeljak in Zadar area (15), Zagreb (<5), Zadar (<5), and in Benkovac (<5).
Outside Croatia
Family name Štrenja is present in four countries on three continents.