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As the battle was called battle of Kursk, it was fought in Kursk, USSR. So the city which was liberated by the soviets was Kursk.
Kursk is the capital city of Kursk Oblast. Kursk is both a city and a region in western Russia, bordering Ukraine.
The Land of Kursk. clearly.
No Kursk is in Russia
Kursk was created in 1032.