In Croatia, Mladjenović families are Croats (from Sisak area ). In the past century, relatively most of Croatian residents bearing this family name were born in Glina and Petrinja. In Gornji Vrhovci in Pozega area every ninth inhabitant had the family name Mladjenović.
Prevalence
About 10 people with faimily name Mladjenović live in Croatia today, in 6 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located and two other Croatian places, mostly in Zagreb (<5), Desni Dubrovcak in Sisak area (<5), Sibokovac in Pleternica area (<5), Sisak (<5), and in Vukovar (<5).
Outside Croatia
Family name Mladjenović is present in 14 countries on four continents. The family name "Mladjenovic " is used by some 50 people in Canada , small number in the United States , and small number of people in Russian Federation.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.