In Croatia, Fabian families are predominantly Croats (from Pleternica ), rarely Italians (from Pula ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Dubrovnik.
Prevalence
About 30 people with faimily name Fabian live in Croatia today, in 18 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 7 Croatian counties, in 6 cities and 6 other places, mostly in Zagreb (15), Pula (10), Rijeka (<5), Dubrovnik (<5), and in Mokosica (<5).