In Croatia, Riger families are Croats (from Orahovica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica area and in Nasice area.
Prevalence
About 30 people with faimily name Riger live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties, four cities and four other places, mostly in Fericanci in Orahovica area (<10), Nasice (<10), Bizovac in Valpovo area (<10), Podgorac in Nasice area (<10), and in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.