In Croatia, Crvenka families are almost entirely Croats (from Nasice ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Nasice and Zagreb.
Prevalence
About 40 people with faimily name Crvenka live in Croatia today, in 18 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located and 5 other Croatian places, mostly in Zagreb (15), Virovitica (<10), Nasice (<10), Saptinovci in Nasice area (<5), and in Osijek (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.