In Croatia, Grčina families are Croats (from Split ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and Sinj.
Prevalence
About 10 people with faimily name Grčina live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian cities only: in Split (<10), Zagreb (<5), Trogir (<5), and in Knin (<5).
Outside Croatia
Family name Grčina (including: Grcina , Gercina and Gerchina ) is present in 10 countries on three continents. The family name "Grcina " is used by small number of people in the United States.