In Croatia, Štros families are Croats (from Zapresic area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zapresic area and in Zagreb.
Prevalence
About 30 people with faimily name Štros live in Croatia today, in 10 households. There were 50 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties, in one city and 5 other places, mostly in Senkovec (15), Marija Gorica (<10) and Oplaznik (<5) in Zapresic area, Pula (<5), and in Bilje in Osijek area (<5).