In Croatia, Perun families are Croats (from Trogir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Trogir area and in Split.
Prevalence
About 10 people with faimily name Perun live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five Croatian places: in Gustirna in Trogir area (<10), Kastel Stari (<10), Trogir (<5), and in Mlini (<5) and Srebreno (<5) in Dubrovnik area.
Outside Croatia
Family name Perun (including: Peerun , Perrun ) is present in 22 countries on four continents. The family name "Perun " is used by some 2000 people in Ukraine , about 500 in the United States , and some 500 people in Russian Federation.