Pervomaysky District (Russian: Первома́йский райо́н) was an administrative[1] and municipal[2] district (raion) in Nizhny Novgorod Oblast, Russia.
The area of the district was 1,227.3 square kilometers (473.9 sq mi).
[1] Per Law #83-Z of July 3, 2012, the district was transformed into a town of oblast significance of Pervomaysk.
In the similar manner, Law #82-Z abolished Pervomaysky Municipal District and transformed it into Pervomaysk Urban Okrug.
As of July 2012, the district was administratively divided into one town of district significance (Pervomaysk), one work settlement (Satis), and two selsoviets (comprising forty-three rural localities).