Sengileyevsky District

Sengileyevsky District  (Сенгилеевский райо́н) 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 1349 km2. 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.