Kaluđer families are Croats and they are mostly from Valpovo area. In the past century, relatively most of Croatian residents bearing this family name were born in Valpovo area and in Osijek.
Prevalence
About 110 people with faimily name Kaluđer live in Croatia today, in 60 households. There were 180 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 10 Croatian counties, in 10 cities and 11 other places, mostly in Zagreb (25), Brodjanci in Valpovo area (25), Osijek (15), Habjanovci in Valpovo area (10), and in Trnjanski Kuti in Slavonski Brod 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.