In Croatia, Sulje families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Drnis.
Prevalence
About 60 people with faimily name Sulje live in Croatia today, in 30 households. There were 30 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties and 5 other places, mostly in Sibenik (30), Zagreb (<10), Kastel Sucurac (<5), Zaboric (<5), and in Split (<5).