In Croatia, Šiljug families are generally Croats (from Dubrovnik area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik area and in Dubrovnik. In Duba Konavoska in Dubrovnik area every seventh inhabitant had the family name Šiljug.
Prevalence
About 20 people with faimily name Šiljug live in Croatia today, in 7 households. They are located in two Croatian counties, two cities and 6 other places, mostly in Nova Mokosica (<5), Duba Konavoska in Dubrovnik area (<5), Zagreb (<5), and in Cavtat (<5) and Srebreno (<5) in Dubrovnik area.
Outside Croatia
Family name Šiljug (including: Siljug , Shelyug ) is present in four countries.