Novosibirsk Oblast is a federal subject of Russia located in southwestern Siberia. Its administrative and economic center is the city of Novosibirsk, the third-largest city in the country. As of the 2

Omsk Oblast is a federal subject of Russia, located in southwestern Siberia. The oblast has an area of 139,700 square kilometers. Its population is 1,977,665 with the majority, 1.12 million, living in