Vulje families are Croats and they are mostly from Jastrebarsko area. In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko area and in Zagreb. In Poljanica Okićka in Jastrebarsko area every third inhabitant had the family name Vulje.
Prevalence
About 70 people with faimily name Vulje live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 50 percent. They are only located in in 6 Croatian cities and 11 other places, mostly in Zagreb (15), Samobor (10), Jastrebarsko (10), and in Beter (<10) and Trzic (<5) in Jastrebarsko area.
Outside Croatia
Family name Vulje is present in three countries on two continents. The family name "Vulje " is used by few people in the United States. "Vulie " 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.