In Croatia, Dobrovoljec families are Croats (from Prelog area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec area and in Cakovec.
Prevalence
About 10 people with faimily name Dobrovoljec live in Croatia today, in five 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 counties, four cities and 5 other places, mostly in Sesvete (<5), Cakovec (<5), Zagreb (<5), Gardinovec in Cakovec area (<5), and in Svetonedeljski Breg in Samobor area (<5).
Outside Croatia
Family name Dobrovoljec is present in two countries.