Serbia (sûr'bēu) [key], Serbian Srbija (sŭr'bēä) [key], officially Republic of Serbia, republic (1995 est. pop. 10,394,000), 34,116 sq mi (88,361 sq km), W central Balkan Peninsula; formerly the chief constituent republic of Yugoslavia and of its short-lived successor, Serbia and Montenegro. It is bounded in the northwest by Croatia, in the north by Hungary, in the northeast by Romania, in the east by Bulgaria, in the south by Macedonia, and in the west by Albania, Montenegro, and Bosnia and Herzegovina. Belgrade is the capital of both Serbia.
