In Croatia, Živac families are Croats (from Dubrovnik area ).
Prevalence
Only a few people with faimily name Živac live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only threee Croatian places: in Dunave in Dubrovnik area (<5), Dubrovnik (<5), and in Stobrec (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.