Petrovka (Russian: Петровка) is a rural locality (a selo) in Krasnoyarovsky Selsoviet of Mazanovsky District, Amur Oblast, Russia.

Petrovka is located on the right bank of the Birma River, 32 km southwest of Novokiyevsky Uval (the district's administrative centre) by road.

Antonovka is the nearest rural locality.

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