In Croatia, Gusić-Janjić families are Croats (from Sinj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sinj and in Sinj area.
Prevalence
About 20 people with faimily name Gusić-Janjić live in Croatia today, in 11 households. They are located in only five naselja i to in Grab in Sinj area (10), Split (<10), in Klis (<5) and Podstrana (<5) in Solin area, and in Milna on the Island of Brac (<5).
Outside Croatia
Family name Gusić-Janjić is present in this form only in Croatia.