In Croatia, Zuljan families are generally Croats (from Pula area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Pula area.
Prevalence
About 10 people with faimily name Zuljan live in Croatia today, in two households only. They are located in two Croatian cities only, in Zagreb (<5) and Pula (<5).