In Croatia, Dedić-Jandrek 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 30 people with faimily name Dedić-Jandrek live in Croatia today, in 11 households. They are located in only five naselja i to in Gala in Sinj area (15), Obrovac Sinjski (15), Split (<10), Zagreb (<5), and in Solin (<5).
Outside Croatia
Family name Dedić-Jandrek is present in this form only in Croatia.