In Croatia, Gravora families are predominantly Serbs, rarely Slovenes (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and in Slunj area.
Prevalence
Only a few people with faimily name Gravora live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Karlovac (<5) and Zagreb (<5).
Outside Croatia
Family name Gravora is present in four countries on two continents.