In Croatia, Rojs families are Croats by relative majority (from Metkovic ), equally Slovenes (also from Metkovic ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Sarajevo area).
Prevalence
Only a few people with faimily name Rojs live in Croatia today, in one household only. They are located in one Croatian city only, in Metkovic (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over a hundred times, the first time 1689 in source Catholic Church Parish Records.