(var., Dobrudja and Dobrogea) Black Sea coastal lands lying south of the Danube in southeastern Romania and northeastern Bulgaria.

Dobruja, or sometimes Dobrudja (Dobrogea in Romanian, Добруджа—transliterated Dobrudzha—in Bulgarian, Dobruca in Turkish, and Δοβρουτσά—transliterated Dovroutsa—in Greek), is an informal region shared by Bulgaria and Romania, located between the lower Danube river and the Black Sea, including the Danube Delta, Romanian coast and the northernmost part of the Bulgarian coast.