Доиндоевропейская гидронимия Европы:
Adur (United Kingdom),
Dour, Kent, Latin Dubris (United Kingdom)
Dore (France),
Doron (France),
Dordogne < Dur?nius (France),
Douro (Portugal and Spain),
Dronne (France),
Dropt < Roman Drotius (France),
Drave and probably the Drac (France),
Drava (Italy, Austria (known as Drau), Slovenia, Croatia, Hungary)
Drawa (Poland),
Durance (France),
Durenque, tributary of the Agout (France)
Eder, tributary of the Fulda (Germany)
Oder (Germany and Poland)