Novosibirsk is the third-most populous city in Russia after Moscow and St. Petersburg. It is the most populous city in Asian Russia, with a population of 1,473,754 as of the 2010 Census. It is the administrative center of Novosibirsk Oblast as well as of the Siberian Federal District.The city is located in the southwestern part of Siberia on the banks of the Ob River adjacent to the Ob River Valley, near the large water reservoir formed by the dam of the Novosibirsk Hydro Power Plant. It is split into ten districts and occupies an area of 502.1km2.HistoryNovosibirsk, founded in 1893 at the future site of a Trans-Siberian Railway bridge crossing the great Siberian river of Ob, first was named Novonikolayevsk (Новониколаевск), in honor both of Saint Nicholas and of the reigning Tsar Nicholas II. It superseded nearby Krivoshchekovskaya village, which was founded in 1696. The bridge was completed in the spring of 1897, making the new settlement the regional transport hub. The importance of the city further increased with the completion of the Turkestan-Siberia Railway in the early 20th century. The new railway connected Novonikolayevsk to Central Asia and the Caspian Sea.