Grančić families are Croats and they are mostly from Vrgorac. In the past century, relatively most of Croatian residents bearing this family name were born in Imotsko and Vrgorac.
Prevalence
About 240 people with faimily name Grančić live in Croatia today, in 80 households. There were 100 of them in the middle of the past century, and their number more than doubled. They are located in 8 Croatian counties, in 12 cities and 14 other places, mostly in Glavina Donja (90), Split (50), Zmijavci in Imotski area (20), Kastel Sucurac (20), and in Stobrec (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.