Cheboksary is the capital city of Chuvashia, Russia. It is a port on the Volga River. The city is located in the Volga Upland region and stand…Cheboksary is the capital city of Chuvashia, Russia. It is a port on the Volga River. The city is located in the Volga Upland region and stands on the shore of the Cheboksary Reservoir. Its area is 250.9 square kilometers. The satellite city of Novocheboksarsk is located about 6 kilometers east of Cheboksary.