In Croatia, Orosz families are Croats (from Vinkovci ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci.
Prevalence
Only a few people with faimily name Orosz live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Zupanja (<5).
Outside Croatia
Family name Orosz is present in 43 countries worldwide. The family name "Orosz " is used by some 9000 people in Hungary , about 2000 in the United States , and some 1000 people in Romania. "Horosz " is used by some 600 people in Poland , small number in Hungary , and small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.