Sengileyevsky District
Sengileyevsky District  () is an administrative and municipal district (raion), one of the twenty-one in Ulyanovsk Oblast, Russia. It is located in the center of the oblast. The area of the district is . Its administrative center is the town of Sengiley. Population: 23,260 (2010 Census);  The population of Sengiley accounts for 29.9% of the district's total population. References

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Districts of Ulyanovsk Oblast