Naberezhnye Chelny is the second largest city in the Republic of Tatarstan, Russia. A major industrial center, Naberezhnye Chelny stands on the Kama River 225 kilometers (140 mi) east of Kazan near Nizhnekamsk Reservoir. Population: 548,434 (2021 Census); 513,193 (2010 Russian census); 509,870 (2002 Census); 500,309 (1989 Soviet census).

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.