Kursk is a city and the administrative center of Kursk Oblast, Russia, located at the confluence of the Kur, Tuskar, and Seym rivers. It has …Kursk is a city and the administrative center of Kursk Oblast, Russia, located at the confluence of the Kur, Tuskar, and Seym rivers. It has a population of 440,052. The area around Kursk was the site of a turning point in the Soviet–German struggle during World War II and the site of the single largest battle in history.