Tambov Governorate was an administrative-territorial unit (guberniya) of the Russian Empire, the Russian Republic, and the Russian SFSR, with its capital in Tambov. It was located between 51°14' and 55°6' north and between 38°9' and 43°38' east. It bordered Vladimir Governorate and Nizhny Novgorod Governorate to north, Penza Governorate and Saratov Governorate to the east, Voronezh Governorate to south and west, and Oryol Governorate, Tula Governorate, and Ryazan Governorate to the west.