In Croatia, Marošan families are Croats (from Hrvatska Kostajnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Zagreb.
Prevalence
About 20 people with faimily name Marošan live in Croatia today, in 10 households. There were 0 of them in the middle of the past century, and their number multiplied. They are only located in four Croatian cities and four other places, mostly in Dugo Selo (<10), Trnjani in Slavonski Brod area (<5), Slavonski Brod (<5), Mecencani in Hrvatska Kostajnica area (<5), and in Sesvete (<5).