Agryzsky District is a territorial administrative unit and municipality of the Republic of Tatarstan within the Russian Federation. The district is located in the northeast of the republic on the bank of the Izh River and occupies an area of 1796.6 square kilometers. According to the 2010 census, the municipality had a population of 36,848. The main city of Agryz accounts for 52.7% of the district's total population and is located 304 km east of Kazan and 36 km from Izhevsk.

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.