Orenburg Oblast (Russian: Оренбургская область, Orenburgskaya oblast) is a federal subject of Russia (an oblast). Its administrative center is the city of Orenburg. From 1938 to 1957, it bore the name Chkalov Oblast (Чка́ловская о́бласть) in honor of Valery Chkalov. Population: 2,033,072 (2010 Census). Orenburg Oblast's internal borders are with the republics of Bashkortostan and Tatarstan to the north, Chelyabinsk Oblast to the north-east, and with Samara and Saratov oblasts to the west. Orenburg Oblast also shares an international border with Kazakhstan to the east and south. The oblast is situated on the boundary between Europe and Asia. The majority of its territory lies west of the continental divide in European Russia and smaller sections in the east situated on the Asian side of the divide. The most important river of the oblast is the Ural and the largest lake Shalkar-Yega-Kara. Orenburg is traversed by the northeasterly line of equal latitude and longitude. The highest point of the oblast is 668 m (2,192 ft) high Nakas (mountain). More information...
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