In Croatia, Vratonja families are Croats (from Pazin ). In the past century, relatively most of Croatian residents bearing this family name were born in Pazin and Pula.
Prevalence
About 20 people with faimily name Vratonja live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Pazin (15), Trviz (<5), Rijeka (<5), and in Motovun in Buzet area (<5).
Outside Croatia
Family name Vratonja is present in four countries.