Pešun families are Croats and they are mostly from Otocac. In the past century, relatively most of Croatian residents bearing this family name were born in Otocac and Sisak.
Prevalence
About 70 people with faimily name Pešun live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 7 cities and 9 other places, mostly in Zagreb (15), Novo Selo (10), Sisak (<10), Rijeka (<10), and in Hrastelnica (<10).
Outside Croatia
Family name Pešun (including: Peshkun , Pesun ) is present in 9 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.