Tukayevsky District is a territorial administrative unit and municipal district of the Republic of Tatarstan within the Russian Federation. The administrative center is Naberezhnye Chelny, but the city itself is not included as a part of the district. As of 2020, the population in the district was estimated at 42,511 people.

Nizhnekamsky District is a territorial administrative unit and municipal district of the Republic of Tatarstan within the Russian Federation. The district is located on the left bank of the Kama River. The administrative center of the district is Nizhnekamsk and the population of the district was 276,326 at the beginning of 2020.