In Croatia, Merdja families are predominantly Albanians (from Kosovo ), rarely Bosniaks (also from Kosovo ). In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo.
Prevalence
Only a few people with faimily name Merdja live in Croatia today, in two households only. They are located in one Croatian city only, in Zagreb (<10).
Outside Croatia
Family name Merdja is present in 8 countries on four continents. "Merdia " is used by few people in the United States.
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.