In Croatia, Grkov families are Croats (from Trogir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Trogir area and in Rijeka.
Prevalence
About 20 people with faimily name Grkov live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, two cities and four other places, mostly in Rijeka (10), Marina in Trogir area (<10), Trogir (<5), and in Poljica (<5) and Vrsine (<5) in Trogir area.