Serdobsky District
Serdobsky District () is an administrative and municipal district (raion), one of the twenty-seven in Penza Oblast, Russia. It is located in the southwest of the oblast. The area of the district is . Its administrative center is the town of Serdobsk. Population: 54,520 (2010 Census);  The population of Serdobsk accounts for 64.9% of the district's total population. References

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Districts of Penza Oblast