Anninsky District (Russian: А́ннинский райо́н) is an administrative[1] and municipal[5] district (raion), one of the thirty-two in Voronezh Oblast, Russia.
It is located in the north of the oblast.
The area of the district is 2,098 square kilometers (810 sq mi).
[2] Its administrative center is the urban locality (an urban-type settlement) of Anna.
[9] The population of Anna accounts for 42.4% of the district's total population.