In Croatia, Modun families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Split.
Prevalence
About 20 people with faimily name Modun live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, four cities and two other places, mostly in Sibenik (10), Split (<10), Tribunj (<5), Zagreb (<5), and in Samobor (<5).
Outside Croatia
Family name Modun is present in 7 countries worldwide. The family name "Modun " is used by small number of people in the United States , small number in Mauritius , and small number of people in Australia.