Orsag families are Croats and they are mostly from Cakovec area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Zapresic.
Prevalence
About 240 people with faimily name Orsag live in Croatia today, in 100 households. There were 220 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 17 cities and 25 other places, mostly in Zagreb (70), Prigorje Brdovecko in Zapresic area (15), Zlatar (15), Greda in Ivanec area (10), and in Slavonski Brod (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.