In Croatia, Eder families are almost entirely Croats (from Delnice ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Delnice and Pula.
Prevalence
About 30 people with faimily name Eder live in Croatia today, in 12 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located and another small Croatian place , mostly in Zagreb (15), Delnice (<10), Crni Lug (<5), Makarska (<5), and in Slavonski Brod (<5).