Krasnodar, formerly Yekaterinodar, is the largest city and the administrative centre of Krasnodar Krai, Russia. The city stands on th…Krasnodar, formerly Yekaterinodar, is the largest city and the administrative centre of Krasnodar Krai, Russia. The city stands on the Kuban River in southern Russia, with a population of 1,154,885 residents, and up to 1.263 million residents in the Urban Okrug. In the past decade Krasnodar has experienced rapid population growth, rising to become the tenth-largest city in Russia, and the largest city in southern Russia, as well as the Southern Federal District. Was the capital of Kuban People's Republic and South Russia.