Category:December 2021 in Tatarstan

Federal subjects of the Russian Federation:

Republics: (Crimea) · Karelia · Tatarstan ·
Krais:
Oblasts: Leningrad · Moscow · Nizhny Novgorod · Sverdlovsk · Tyumen · Volgograd ·
Federal cities: Moscow · Saint Petersburg ·
Autonomous oblast:
Autonomous okrugs: