Mateljak families are Croats and they are mostly from Ploce area. In the past century, relatively most of Croatian residents bearing this family name were born in Metkovic and Ploce.
Prevalence
About 250 people with faimily name Mateljak live in Croatia today, in 90 households. There were 140 of them in the middle of the past century, and their number increased by 80 percent. They are located in 9 Croatian counties, in 13 cities and 6 other places, mostly in Metkovic (100), Stasevica (50), Zagreb (30), Ploce (30), and in Makarska (10).
Outside Croatia
Family name Mateljak is present in 7 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1923 in source Emigration Commission Zagreb.