Medak families are mainly Croats and they are mostly from Komin near Ploce , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Metkovic and Ploce. In Komin in Ploce every sixth inhabitant had the family name Medak.
Prevalence
About 590 people with faimily name Medak live in Croatia today, in 240 households. There were 500 of them in the middle of the past century, and their number increased by 20 percent. They are located in the most of Croatian counties, in 27 cities and 37 other places, mostly in Komin (210), Metkovic (115), Zagreb (60), Split (35), and in Ploce (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1927 in source Emigration Commission Zagreb.