Orenburg Oblast (Russian: Оренбу́ргская о́бласть, 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).
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