In Croatia, Mostarkić families are Croats (from Slavonski Brod ). In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Pozega.
Prevalence
About 30 people with faimily name Mostarkić live in Croatia today, in 15 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located and two other Croatian places, mostly in Slavonski Brod (20), Zagreb (<5), Pula (<5), Pleternica (<5), and in Sibinj in Slavonski Brod area (<5).
Outside Croatia
Family name Mostarkić (including: Mostarkic , Mostarcic ) is present in two countries.