In Croatia, Drstvenšek families are Croats (from Vukovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and in Vukovar area.
Prevalence
About 10 people with faimily name Drstvenšek live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in one Croatian city only, in Vukovar (<10).
Outside Croatia
Family name Drstvenšek is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.