Grgić families are Croats and they are mostly from Bosnian Krajina (Gornji and Donji Vakuf, Kotor Varos). According to some sources they are from Petrovo Polje in Drnis area (village Cipcici), Ljubuski (Herzegovina), Dubrovnik and Rama (Bosnia). In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Kotor Varos area) and in Bosanian Posavina (Odzak area). In places Kričići - Jejići and Brnj in Middle Bosnia every second inhabitant had the family name Grgić.
About 7500 people with faimily name Grgić live in Croatia today, in 3000 households. There were 3000 of them in the middle of the past century, and their number more than doubled. They are located in all Croatian counties, in 106 cities and 641 other places, mostly in Zagreb (1230), Slavonski Brod (295), Split (265), Osijek (260), and in Sesvete (175).