Oremuš families are Croats and they are mostly from Oroslavje. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Oroslavje. In Stubička Slatina in Oroslavje every ninth inhabitant had the family name Oremuš.
Prevalence
About 180 people with faimily name Oremuš live in Croatia today, in 80 households. There were 160 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 13 cities and 18 other places, mostly in Zagreb (35), Stubicka Slatina (30), Oroslavje (10), Stubicke Toplice in Oroslavje area (10), and in Cret Bizovacki in Valpovo area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.