Omsk is a Russian industrial city located in the southwestern part of Siberia. It is the administrative center of Omsk Oblast and has a population of over 1.1 million people. Kazan is another Russian industrial city located in the Republic of Tatarstan. It is the capital of the republic and has a population of over 1.2 million people. Minsk is the capital and largest city of Belarus, located in the eastern part of the country. It has a population of over 2 million people and is an important industrial, cultural, and educational center.