Mudronja families are Croats and they are mostly from the Island of Murter. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and on the Island of Murter.
Prevalence
About 220 people with faimily name Mudronja live in Croatia today, in 90 households. There were 210 of them in the middle of the past century, and their number remains constant. They are located in 8 Croatian counties, in 12 cities and 5 other places, mostly in Murter on the Island of Murter (155), Zagreb (30), Sibenik (25), Split (15), and in Zadar (<10).
Outside Croatia
Family name Mudronja is present in 10 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1729 in source Catholic Church Parish Records.