Oktyabrsky District, Amur Oblast

Oktyabrsky District  (Октя́брьский райо́н) is an administrative and municipal district (raion), one of the twenty in Amur Oblast, Russia. The area of the district is 3381 km2. Its administrative center is the rural locality (a selo) of Yekaterinoslavka. Population: 22,761 (2002 Census);  The population of Yekaterinoslavka accounts for 49.4% of the district's total population.