In Croatia, Mratović families are Croats (from Peljesac Peninsula ). In the past century, relatively most of Croatian residents bearing this family name were born on Peljesac Peninsula and in Dubrovnik.
Prevalence
About 40 people with faimily name Mratović live in Croatia today, in 16 households. There were 30 of them in the middle of the past century, and their number increased by 10 percent. They are located in threee Croatian counties, four cities and four other places, mostly in Split (15), Janjina on the Peljesac peninsula (<10), Dubrovnik (<10), Solin (<5), and in Mokosica (<5).
Outside Croatia
Family name Mratović is present in two countries on two continents.
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.