In Croatia, Muđer families are Croats (from Jastrebarsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Zagreb. In Vranov Dol in Jastrebarsko every sixtieth inhabitant had the family name Muđer.
Prevalence
About 10 people with faimily name Muđer live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two naselja i to in Jastrebarsko (<10) and Vranov Dol (<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.