Crlenjak families are Croats and they are mostly from Bjelovar area. In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar area and in Bjelovar. In Đurđic in Bjelovar area every ninth inhabitant had the family name Crlenjak.
Prevalence
About 60 people with faimily name Crlenjak live in Croatia today, in 30 households. There were 140 of them in the middle of the past century, and their number decreased significantly. They are located in 8 Croatian counties, in 6 cities and 12 other places, mostly in Pitomaca in Djurdjevac area (15), Zagreb (10), Bjelovar (10), Varazdin (<10), and in Djurdjic in Bjelovar area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.