Novosibirsk is the administrative centre and largest city of Novosibirsk Oblast and the Siberian Federal District in Russia. As of the 2021 census, it had a population of 1,633,595, making it the third-most populous city in Russia after Moscow and Saint Petersburg. Additionally, it is the largest city in North Asia and the most populous Russian city that does not have the status of a federal subject. Novosibirsk is located in southwestern Siberia, on the banks of the Ob River.