Sterlitamaksky District is an administrative and municipal district (raion), one of the fifty-four in the Republic of Bashkortostan, Russia. It is located in the center of the republic and borders with Aurgazinsky District in the north, Gafuriysky District in the northeast, Ishimbaysky District in the east and southeast, Meleuzovsky District in the south, Sterlibashevsky District in the southwest, Miyakinsky District in the west, and with Alsheyevsky District in the west and northwest. The area of the district is 2,216 square kilometers (856 sq mi). Its administrative center is the city of Sterlitamak. As of the 2010 Census, the total population of the district was 40,325.

Bashkortostan, officially the Republic of Bashkortostan, also known as Bashkiria, is a republic of Russia between the Volga and the Ural Mountains in Eastern Europe. The republic borders Perm Krai to the north, Sverdlovsk Oblast to the northeast, Chelyabinsk Oblast to the east, Orenburg Oblast to the south, Tatarstan to the west and Udmurtia to the northwest. It covers 143,600 square kilometres and has a population of 4 million. It is the seventh-most populous federal subject in Russia and the most populous republic. Its capital and largest city is Ufa.