Districts of Russia by federal subject

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These is second-level administrative divisions of Russia.

Such divisions named «Districts of <federal subject>», «cities/towns of federal subject significance» (not to be confused with other towns) or etc.

For example, Districts of Moscow Oblast and Cities and towns in Moscow Oblast, 12 Administrative okrugs of Moscow (not Moscow districts), 18 (administrative) Districts of Saint Petersburg are second-level units of Russia.