In Croatia, Mladen families are Croats (from Vrbovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Vrbovec area.
Prevalence
About 30 people with faimily name Mladen live in Croatia today, in 18 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in threee Croatian counties, two cities and 7 other places, mostly in Zagreb (10), Miholec in Krizevci area (<10), Vrbovec (<5), and in Dubrava (<5) and Brezje (<5) in Vrbovec area.
Outside Croatia
Family name Mladen is present in 23 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.