In Croatia, Derda families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Karlovac.
Prevalence
Only a few people with faimily name Derda live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Zagreb (<5) and Karlovac (<5).
Outside Croatia
Family name Derda is present in 22 countries on four continents. The family name "Derda " is used by some 3000 people in Poland , about 600 in the United States , and some 400 people in Ukraine.
