In Croatia, Marceljak families are Croats (from Jastrebarsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko.
Prevalence
Only a few people with faimily name Marceljak live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Zagreb (<5) and Petrovina (<5).
Outside Croatia
Family name Marceljak is present in this form only in Croatia.
