In Croatia, Muženjak families are Croats (from Samobor ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci and Samobor.
Prevalence
About 50 people with faimily name Muženjak live in Croatia today, in 19 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 8 cities and 7 other places, mostly in Vinkovci (15), Mali Lipovec (<10), Osijek (<10), Bregana (<5), and in Virovitica (<5).