In Croatia, Predan families are almost entirely Croats (from Pula area ), barely Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Zagreb.
Prevalence
About 40 people with faimily name Predan live in Croatia today, in 18 households. There were 70 of them in the middle of the past century, and their number decreased by 50 percent. They are only located in in 6 Croatian cities and 5 other places, mostly in Pula (10), Velika Gorica (<10), Fazana (<10), Vodnjan in Pula area (<10), and in Virovitica (<5).
Outside Croatia
Family name Predan is present in 22 countries worldwide. "Predhan " is used by few people in the United States.