Zelenodolsky District — is a territorial administrative unit and municipal district of the Republic of Tatarstan within the Russian Federation. The district is divided by a channel of the Volga river into sections on the right-bank and left-bank. The administrative center of the district is Zelenodolsk. At the beginning of 2020, the population of the district was 165,915.

Tatarstan, officially the Republic of Tatarstan, sometimes also called Tataria, is a republic of Russia located in Eastern Europe. It is a part of the Volga Federal District; and its capital and largest city is Kazan, an important cultural centre in Russia. The region's main source of wealth is oil with a strong petrochemical industry.