In Croatia, Mucaj families are Albanians (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo.
Prevalence
Only a few people with faimily name Mucaj live in Croatia today, in one household only. They are located in two Croatian counties, in one city and another small place , mostly in Donja Dubrava in Koprivnica area (<10) and Ogulin (<5).