In Croatia, Žmura families are Croats (from Ilok ). In the past century, relatively most of Croatian residents bearing this family name were born in Srijem, Vojvodina.
Prevalence
Only a few people with faimily name Žmura live in Croatia today, in two households only. They are located in two Croatian cities only, in Vinkovci (<5) and Ilok (<5).
Outside Croatia
Family name Žmura (including: Zhmura , Zmura and Zhamura ) is present in 7 countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.