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Maritsa, river, c.300 mi (480 km) long, rising in the Rila Mts., W Bulgaria, and flowing SE between the Balkans and Rhodope Mts., past Plovdiv, to Edirne, Turkey, where it turns south to enter...
Rumelia or Roumelia, region of S Bulgaria, between the Balkan and Rhodope mts. Historically, Rumelia denoted the Balkan possessions (particularly Thrace and Macedonia, and excluding Bosnia) of...
Thrace, region, 3,310 sq mi (8,575 sq km), SE Europe, occupying the southeastern tip of the Balkan Peninsula and comprising NE Greece, S Bulgaria, and European Turkey. Its boundaries have vari...
Bulgaria, Bulgarian Balgarija, officially Republic of Bulgaria, republic (2005 est. pop. 7,450,000), 42,823 sq mi (110,912 sq km), SE Europe, on the E Balkan Peninsula. It is bounded by the Bl...
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