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Bulgaria, [a] officially the Republic of Bulgaria, [b] is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea. Bulgaria is bordered by Greece and Turkey to the south, Serbia and North Macedonia to the west, and Romania to the north.
Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea . Bulgaria is bordered by Greece and Turkey to the south, Serbia and North Macedonia to the west, and Romania to the north.
The river's highest water levels usually occur during the May floods; it is frozen over an average of 40 days per year. The longest river located entirely in Bulgarian territory, the Iskar, with a length of 368 km and a catchment area of 8,640 km 2, is the only Bulgarian Danubian tributary that does not rise in the Balkan Mountains. Instead ...
The location of Bulgaria Flag-map of Bulgaria An enlargeable relief map of the Republic of Bulgaria The following outline is provided as an overview of and topical guide to Bulgaria: Bulgaria is a unitary parliamentary republic located in Southeastern Europe, bordered by Romania to the north, Serbia and North Macedonia to the west, Greece and ...
There are 540 rivers in Bulgaria. [1] The longest river in Bulgaria is the Danube (2,888 km), which spans most of the country's northern border for a length of 470 km. The longest one to run through the country (and also the deepest) is the Maritsa (480 km), while the longest river that runs solely in Bulgaria is the Iskar (368 km).
The Ohio River at Cairo is 281,500 cu ft/s (7,960 m 3 /s); [1] and the Mississippi River at Thebes, Illinois, which is upstream of the confluence, is 208,200 cu ft/s (5,897 m 3 /s). [66] The Ohio River flow is greater than that of the Mississippi River, so hydrologically the Ohio River is the main stream of the river system.
The Ogosta river is 147.4 km in length and is fed by 40 tributaries (including the Skat River) in a watershed of 3,157 square kilometers. [2] The average water discharge in the lower course of the river is 18 cubic meters per second. Along the river's length there are 14 irrigation systems, 8 hydropower plants, and 13 dams.
Bulgaria was involved in computer construction, which earned it the nickname "Silicon Valley of the Eastern Bloc". [25] Bulgarian engineers developed the first Bulgarian computer, the Vitosha, [26] as well as the Pravetz computers. [27] Bulgaria is currently the only Balkan Country to operate a supercomputer, an IBM Blue Gene/P.