In Croatia, Fabin families are Croats (from Sisak area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak area and in Sisak.
Prevalence
Only a few people with faimily name Fabin live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only one small Croatian place, in Lijeva Martinska Ves in Sisak area (<10).
Outside Croatia
Family name Fabin (including: Fabien , Fábin and Phabin ) is present in 65 countries worldwide.