In Croatia, Sugj families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 20 people with faimily name Sugj live in Croatia today, in four households only. They are located in one Croatian city only, in Zagreb (20).
Outside Croatia
Family name Sugj (including: Sugi , Sugy and Suggie ) is present in 32 countries worldwide.