Nikolayevsky District (Russian: Никола́евский райо́н) is an administrative district (raion), one of the thirty-three in Volgograd Oblast, Russia.
[1] As a municipal division, it is incorporated as Nikolayevsky Municipal District.
[4] It is located in the northeast of the oblast.
The area of the district is 3,440 square kilometers (1,330 sq mi).
[citation needed] Its administrative center is the town of Nikolayevsk.