 Takhtamukaysky District (; ) occupies the westernmost portion of the republic.Between 1983 and 1990, it was known as Oktyabrsky District.As a municipal division, the district is incorporated as Takhtamukaysky Municipal District and is divided into two urban settlements comprising two urban-type settlements (Enem and Yablonovsky; with six rural localities in their jurisdictions) and into five rural settlements comprising nineteen rural localities.