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1. en.wikipedia.org › wiki › RomaniaRomania - Wikipedia

   en.wikipedia.org › wiki › Romania

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   8 ore fa · There are almost 10,000 km 2 (3,900 sq mi) (about 5% of the total area) of protected areas in Romania covering 13 national parks and three biosphere reserves. The Danube river forms a large part of the border with Serbia and Bulgaria , and flows into the Black Sea, forming the Danube Delta, which is the second-largest and best-preserved delta in Europe, and a biosphere reserve and a ...