In Croatia, Mućan families are Croats (from Cazma area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazma area.
Prevalence
Only a few people with faimily name Mućan live in Croatia today, in one household only. They are located in only two Croatian places: in Zagreb (<5) and Gornji Vuksinac in Vrbovec area (<5).