Mandir families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Derventa area) and in Doboj, Bosnia (Doboj area).
Prevalence
About 320 people with faimily name Mandir live in Croatia today, in 110 households. They are located in the most of Croatian counties, in 19 cities and 36 other places, mostly in Zagreb (120), Sesvete (25), Brodski Stupnik in Pleternica area (15), Peskovec (10), and in Velika Kopanica in Djakovo area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.