In Croatia, Guslević families are Croats (from Jastrebarsko area ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko area and in Zagreb.
Prevalence
Only a few people with faimily name Guslević live in Croatia today, in one household only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Karlovac (<5), Zagreb (<5), Hutin in Jastrebarsko area (<5), and in Topusko in Glina area (<5).
Outside Croatia
Family name Guslević (including: Guslevic , Guslevich ) is present in four countries.