Tillabéri Department
Tillabéri is a department of the Tillabéri Region in Niger. Its capital lies at the city of Tillabéri, and contains the Communes of Ayorou, Anzourou, Dessa, Kourteye, and Sinder. Tillabéri is also the capital of Tillabéri Region. The western border of the Department is formed by the Niger River. As of 2011, the department had a total population of 295,898 people.