Muller families are Croats and they are mostly from Djakovo. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Osijek.
Prevalence
About 170 people with faimily name Muller live in Croatia today, in 100 households. They are located in almost all Croatian counties, in 37 cities and 34 other places, mostly in Zagreb (60), Djakovo (15), Osijek (15), Rijeka (<10), and in Split (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over a hundred times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.