In Croatia, Radulj families are predominantly Croats (from the Island of Mljet ), rarely Serbs, and barely Montenegrins (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and on the Island of Mljet. In Blato on the Island of Mljet every sixth inhabitant had the family name Radulj.
Prevalence
About 70 people with faimily name Radulj live in Croatia today, in 30 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 6 Croatian counties, in 6 cities and 11 other places, mostly in Blato on the Island of Mljet (20), Zagreb (10), Dubrovnik (<10), Nova Mokosica (<10), and in Mokosica (<10).