In Croatia, Baldun families are Croats (from Dubrovnik area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in Dubrovnik area. In Kupari in Dubrovnik area every third inhabitant had the family name Baldun.
Prevalence
Only a few people with faimily name Baldun live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Dubrovnik (<5) and Zagreb (<5).
Outside Croatia
Family name Baldun is present in 8 countries on three continents. The family name "Baldun " is used by small number of people in Austria and small number in the United States.