In Croatia, Grenc families are Croats (from Split ). In the past century, relatively most of Croatian residents bearing this family name were born in Split.
Prevalence
About 10 people with faimily name Grenc live in Croatia today, in five households only. There were 20 of them in the middle of the past century, and their number halved. They are located in two Croatian cities only, in Split (10) and Stari Grad on the Island of Hvar (<5).